74659968 has 160 divisors (see below), whose sum is σ = 234498000. Its totient is φ = 23514624.

The previous prime is 74659967. The next prime is 74659973. The reversal of 74659968 is 86995647.

74659968 is a `hidden beast` number, since 7 + 46 + 599 + 6 + 8 = 666.

It is a super-2 number, since 2×74659968² = 11148221643522048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (74659961) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196803 + ... + 197181.

Almost surely, 2^74659968 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 74659968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117249000).

74659968 is an abundant number, since it is smaller than the sum of its proper divisors (159838032).

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

74659968 is a wasteful number, since it uses less digits than its factorization.

74659968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 403 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 74659968 is about 8640.5999791681. The cubic root of 74659968 is about 421.0780468518.

The spelling of 74659968 in words is "seventy-four million, six hundred fifty-nine thousand, nine hundred sixty-eight".