74664574 has 8 divisors (see below), whose sum is σ = 112583808. Its totient is φ = 37136640.

The previous prime is 74664571. The next prime is 74664581. The reversal of 74664574 is 47546647.

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

It is a super-2 number, since 2×74664574² = 11149597221202952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74664574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74664571) 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, 97347 + ... + 98110.

It is an arithmetic number, because the mean of its divisors is an integer number (14072976).

Almost surely, 2^74664574 is an apocalyptic number.

74664574 is a deficient number, since it is larger than the sum of its proper divisors (37919234).

74664574 is a wasteful number, since it uses less digits than its factorization.

74664574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195650.

The product of its digits is 564480, while the sum is 43.

The square root of 74664574 is about 8640.8665074748. The cubic root of 74664574 is about 421.0867058680.

The spelling of 74664574 in words is "seventy-four million, six hundred sixty-four thousand, five hundred seventy-four".