74693457 has 12 divisors (see below), whose sum is σ = 108668560. Its totient is φ = 49436568.

The previous prime is 74693441. The next prime is 74693459. The reversal of 74693457 is 75439647.

It is not a de Polignac number, because 74693457 - 2⁴ = 74693441 is a prime.

It is a super-2 number, since 2×74693457² = 11158225037221698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74693459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28603 + ... + 31104.

Almost surely, 2^74693457 is an apocalyptic number.

It is an amenable number.

74693457 is a deficient number, since it is larger than the sum of its proper divisors (33975103).

74693457 is a wasteful number, since it uses less digits than its factorization.

74693457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59852 (or 59849 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 74693457 is about 8642.5376481679. The cubic root of 74693457 is about 421.1409961368.

The spelling of 74693457 in words is "seventy-four million, six hundred ninety-three thousand, four hundred fifty-seven".