74864250 has 80 divisors (see below), whose sum is σ = 209410344. Its totient is φ = 19958400.

The previous prime is 74864239. The next prime is 74864267. The reversal of 74864250 is 5246847.

74864250 is a `hidden beast` number, since 7 + 4 + 8 + 642 + 5 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7935489 + 66928761 = 2817^2 + 8181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18402 + ... + 22098.

Almost surely, 2^74864250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74864250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104705172).

74864250 is an abundant number, since it is smaller than the sum of its proper divisors (134546094).

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

74864250 is a wasteful number, since it uses less digits than its factorization.

74864250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 74864250 is about 8652.4129582447. The cubic root of 74864250 is about 421.4617434662.

The spelling of 74864250 in words is "seventy-four million, eight hundred sixty-four thousand, two hundred fifty".