Search a number
-
+
74449937 = 1134631423
BaseRepresentation
bin1000111000000…
…00010000010001
312012002110010002
410130000100101
5123024344222
611215415345
71562546132
oct434002021
9165073102
1074449937
1139030381
1220b24555
1312569123
149c5dc89
156809392
hex4700411

74449937 has 8 divisors (see below), whose sum is σ = 75323904. Its totient is φ = 73579968.

The previous prime is 74449913. The next prime is 74449939. The reversal of 74449937 is 73994447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74449937 - 212 = 74445841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74449891 and 74449900.

It is not an unprimeable number, because it can be changed into a prime (74449939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51608 + ... + 53030.

It is an arithmetic number, because the mean of its divisors is an integer number (9415488).

Almost surely, 274449937 is an apocalyptic number.

It is an amenable number.

74449937 is a deficient number, since it is larger than the sum of its proper divisors (873967).

74449937 is a wasteful number, since it uses less digits than its factorization.

74449937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its digits is 762048, while the sum is 47.

The square root of 74449937 is about 8628.4376917261. The cubic root of 74449937 is about 420.6828216410.

The spelling of 74449937 in words is "seventy-four million, four hundred forty-nine thousand, nine hundred thirty-seven".

Divisors: 1 113 463 1423 52319 160799 658849 74449937