74313688 has 8 divisors (see below), whose sum is σ = 139338180. Its totient is φ = 37156840.

The previous prime is 74313637. The next prime is 74313691. The reversal of 74313688 is 88631347.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×74313688² = 11045048448322688, 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 74313688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4644598 + ... + 4644613.

Almost surely, 2^74313688 is an apocalyptic number.

It is an amenable number.

74313688 is a deficient number, since it is larger than the sum of its proper divisors (65024492).

74313688 is a wasteful number, since it uses less digits than its factorization.

74313688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9289217 (or 9289213 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 74313688 is about 8620.5387302651. The cubic root of 74313688 is about 420.4260378350.

The spelling of 74313688 in words is "seventy-four million, three hundred thirteen thousand, six hundred eighty-eight".