74650681 has 8 divisors (see below), whose sum is σ = 85460480. Its totient is φ = 63877248.

The previous prime is 74650679. The next prime is 74650687. The reversal of 74650681 is 18605647.

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

It is a cyclic number.

It is not a de Polignac number, because 74650681 - 2¹ = 74650679 is a prime.

It is a super-2 number, since 2×74650681² = 11145448347527522, 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 74650681.

It is not an unprimeable number, because it can be changed into a prime (74650687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4536 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (10682560).

Almost surely, 2^74650681 is an apocalyptic number.

It is an amenable number.

74650681 is a deficient number, since it is larger than the sum of its proper divisors (10809799).

74650681 is a wasteful number, since it uses less digits than its factorization.

74650681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18183.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 74650681 is about 8640.0625576439. The cubic root of 74650681 is about 421.0605867409.

The spelling of 74650681 in words is "seventy-four million, six hundred fifty thousand, six hundred eighty-one".