74992608 has 192 divisors, whose sum is σ = 234964800. Its totient is φ = 23224320.

The previous prime is 74992597. The next prime is 74992613. The reversal of 74992608 is 80629947.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027260 + ... + 1027332.

It is an arithmetic number, because the mean of its divisors is an integer number (1223775).

Almost surely, 2^74992608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74992608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117482400).

74992608 is an abundant number, since it is smaller than the sum of its proper divisors (159972192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74992608 is a wasteful number, since it uses less digits than its factorization.

74992608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 74992608 is about 8659.8272500091. The cubic root of 74992608 is about 421.7024774084.

The spelling of 74992608 in words is "seventy-four million, nine hundred ninety-two thousand, six hundred eight".