74908664 has 32 divisors (see below), whose sum is σ = 149921280. Its totient is φ = 34965504.

The previous prime is 74908661. The next prime is 74908693. The reversal of 74908664 is 46680947.

It is a super-2 number, since 2×74908664² = 11222615884529792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74908661) 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, 15104 + ... + 19440.

It is an arithmetic number, because the mean of its divisors is an integer number (4685040).

Almost surely, 2^74908664 is an apocalyptic number.

It is an amenable number.

74908664 is an abundant number, since it is smaller than the sum of its proper divisors (75012616).

74908664 is a wasteful number, since it uses less digits than its factorization.

74908664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 74908664 is about 8654.9791449778. The cubic root of 74908664 is about 421.5450725202.

The spelling of 74908664 in words is "seventy-four million, nine hundred eight thousand, six hundred sixty-four".