74574685 has 32 divisors (see below), whose sum is σ = 96509952. Its totient is φ = 55218240.

The previous prime is 74574673. The next prime is 74574691. The reversal of 74574685 is 58647547.

It is a happy number.

It is not a de Polignac number, because 74574685 - 2⁷ = 74574557 is a prime.

It is a super-2 number, since 2×74574685² = 11122767285698450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446472 + ... + 446638.

It is an arithmetic number, because the mean of its divisors is an integer number (3015936).

Almost surely, 2^74574685 is an apocalyptic number.

It is an amenable number.

74574685 is a deficient number, since it is larger than the sum of its proper divisors (21935267).

74574685 is a wasteful number, since it uses less digits than its factorization.

74574685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 940800, while the sum is 46.

The square root of 74574685 is about 8635.6635529645. The cubic root of 74574685 is about 420.9176553141.

The spelling of 74574685 in words is "seventy-four million, five hundred seventy-four thousand, six hundred eighty-five".