74670681 has 8 divisors (see below), whose sum is σ = 105417504. Its totient is φ = 46852160.

The previous prime is 74670677. The next prime is 74670691. The reversal of 74670681 is 18607647.

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 74670681 - 2² = 74670677 is a prime.

It is a super-2 number, since 2×74670681² = 11151421202007522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74670641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732015 + ... + 732116.

It is an arithmetic number, because the mean of its divisors is an integer number (13177188).

Almost surely, 2^74670681 is an apocalyptic number.

It is an amenable number.

74670681 is a deficient number, since it is larger than the sum of its proper divisors (30746823).

74670681 is a wasteful number, since it uses less digits than its factorization.

74670681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464151.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 74670681 is about 8641.2198791606. The cubic root of 74670681 is about 421.0981861290.

The spelling of 74670681 in words is "seventy-four million, six hundred seventy thousand, six hundred eighty-one".