74900430 has 64 divisors (see below), whose sum is σ = 217900800. Its totient is φ = 18156960.

The previous prime is 74900411. The next prime is 74900437. The reversal of 74900430 is 3400947.

It is a super-2 number, since 2×74900430² = 11220148828369800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 74900394 and 74900403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74900437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9640 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (3404700).

Almost surely, 2^74900430 is an apocalyptic number.

74900430 is an abundant number, since it is smaller than the sum of its proper divisors (143000370).

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

74900430 is a wasteful number, since it uses less digits than its factorization.

74900430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25246 (or 25240 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 74900430 is about 8654.5034519607. The cubic root of 74900430 is about 421.5296264684.

The spelling of 74900430 in words is "seventy-four million, nine hundred thousand, four hundred thirty".