74736430 has 16 divisors (see below), whose sum is σ = 140374944. Its totient is φ = 28594720.

The previous prime is 74736419. The next prime is 74736433. The reversal of 74736430 is 3463747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74736433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162241 + ... + 162700.

It is an arithmetic number, because the mean of its divisors is an integer number (8773434).

Almost surely, 2^74736430 is an apocalyptic number.

74736430 is a deficient number, since it is larger than the sum of its proper divisors (65638514).

74736430 is a wasteful number, since it uses less digits than its factorization.

74736430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324971.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 74736430 is about 8645.0234239127. The cubic root of 74736430 is about 421.2217449430.

The spelling of 74736430 in words is "seventy-four million, seven hundred thirty-six thousand, four hundred thirty".