74900817 has 6 divisors (see below), whose sum is σ = 108190082. Its totient is φ = 49933872.

The previous prime is 74900803. The next prime is 74900843. The reversal of 74900817 is 71800947.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 29257281 = 6756^2 + 5409^2 .

It is not a de Polignac number, because 74900817 - 2⁴ = 74900801 is a prime.

It is a super-2 number, since 2×74900817² = 11220264774534978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79900817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4161148 + ... + 4161165.

Almost surely, 2^74900817 is an apocalyptic number.

It is an amenable number.

74900817 is a deficient number, since it is larger than the sum of its proper divisors (33289265).

74900817 is a wasteful number, since it uses less digits than its factorization.

74900817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322319 (or 8322316 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 74900817 is about 8654.5258102336. The cubic root of 74900817 is about 421.5303524619.

The spelling of 74900817 in words is "seventy-four million, nine hundred thousand, eight hundred seventeen".