74354690 has 24 divisors (see below), whose sum is σ = 135193212. Its totient is φ = 29443680.

The previous prime is 74354681. The next prime is 74354711. The reversal of 74354690 is 9645347.

It can be written as a sum of positive squares in 2 ways, for example, as 72403081 + 1951609 = 8509^2 + 1397^2 .

It is a super-2 number, since 2×74354690² = 11057239849992200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 161060 + ... + 161520.

Almost surely, 2^74354690 is an apocalyptic number.

74354690 is a deficient number, since it is larger than the sum of its proper divisors (60838522).

74354690 is a wasteful number, since it uses less digits than its factorization.

74354690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 74354690 is about 8622.9165599581. The cubic root of 74354690 is about 420.5033458854.

The spelling of 74354690 in words is "seventy-four million, three hundred fifty-four thousand, six hundred ninety".