74999968 has 36 divisors (see below), whose sum is σ = 151006842. Its totient is φ = 36667520.

The previous prime is 74999959. The next prime is 75000007. The reversal of 74999968 is 86999947.

It can be written as a sum of positive squares in only one way, i.e., 59413264 + 15586704 = 7708^2 + 3948^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70158 + ... + 71218.

Almost surely, 2^74999968 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 74999968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75503421).

74999968 is an abundant number, since it is smaller than the sum of its proper divisors (76006874).

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

74999968 is a wasteful number, since it uses less digits than its factorization.

74999968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1110 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The square root of 74999968 is about 8660.2521903233. The cubic root of 74999968 is about 421.7162726734.

The spelling of 74999968 in words is "seventy-four million, nine hundred ninety-nine thousand, nine hundred sixty-eight".