74918330 has 24 divisors (see below), whose sum is σ = 142330932. Its totient is φ = 28388736.

The previous prime is 74918323. The next prime is 74918369. The reversal of 74918330 is 3381947.

It can be written as a sum of positive squares in 2 ways, for example, as 72777961 + 2140369 = 8531^2 + 1463^2 .

It is a super-2 number, since 2×74918330² = 11225512339977800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6767 + ... + 13986.

Almost surely, 2^74918330 is an apocalyptic number.

74918330 is a deficient number, since it is larger than the sum of its proper divisors (67412602).

74918330 is a wasteful number, since it uses less digits than its factorization.

74918330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20798 (or 20779 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 74918330 is about 8655.5375338566. The cubic root of 74918330 is about 421.5632033976.

The spelling of 74918330 in words is "seventy-four million, nine hundred eighteen thousand, three hundred thirty".