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74482691 = 411816651
BaseRepresentation
bin1000111000010…
…00010000000011
312012011010001012
410130020100003
5123031421231
611220231135
71563043463
oct434102003
9165133035
1074482691
1139052a48
1220b3b4ab
131257acca
149c6bba3
156813e2b
hex4708403

74482691 has 4 divisors (see below), whose sum is σ = 76299384. Its totient is φ = 72666000.

The previous prime is 74482673. The next prime is 74482693. The reversal of 74482691 is 19628447.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74482691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1816651 = 74482691 / (7 + 4 + 4 + 8 + 2 + 6 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74482693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908285 + ... + 908366.

It is an arithmetic number, because the mean of its divisors is an integer number (19074846).

Almost surely, 274482691 is an apocalyptic number.

74482691 is a deficient number, since it is larger than the sum of its proper divisors (1816693).

74482691 is a wasteful number, since it uses less digits than its factorization.

74482691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816692.

The product of its digits is 96768, while the sum is 41.

The square root of 74482691 is about 8630.3355091213. The cubic root of 74482691 is about 420.7445052614.

The spelling of 74482691 in words is "seventy-four million, four hundred eighty-two thousand, six hundred ninety-one".

Divisors: 1 41 1816651 74482691