Search a number
-
+
74493037 = 531405529
BaseRepresentation
bin1000111000010…
…10110001101101
312012011122020101
410130022301231
5123032234122
611220351101
71563115603
oct434126155
9165148211
1074493037
113905a7a3
1220b45491
1312582928
149c71873
156817027
hex470ac6d

74493037 has 4 divisors (see below), whose sum is σ = 75898620. Its totient is φ = 73087456.

The previous prime is 74492983. The next prime is 74493043. The reversal of 74493037 is 73039447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50424201 + 24068836 = 7101^2 + 4906^2 .

It is a cyclic number.

It is not a de Polignac number, because 74493037 - 211 = 74490989 is a prime.

It is a super-2 number, since 2×744930372 = 11098425122966738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74492987 and 74493005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74493077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702712 + ... + 702817.

It is an arithmetic number, because the mean of its divisors is an integer number (18974655).

Almost surely, 274493037 is an apocalyptic number.

It is an amenable number.

74493037 is a deficient number, since it is larger than the sum of its proper divisors (1405583).

74493037 is a wasteful number, since it uses less digits than its factorization.

74493037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405582.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 74493037 is about 8630.9348856309. The cubic root of 74493037 is about 420.7639854971.

The spelling of 74493037 in words is "seventy-four million, four hundred ninety-three thousand, thirty-seven".

Divisors: 1 53 1405529 74493037