74881936 has 40 divisors (see below), whose sum is σ = 148428000. Its totient is φ = 36589056.

The previous prime is 74881931. The next prime is 74881943. The reversal of 74881936 is 63918847.

74881936 = T₇₀₆₄ + T₇₀₆₅ + T₇₀₆₆.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74881931) 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, 149815 + ... + 150313.

It is an arithmetic number, because the mean of its divisors is an integer number (3710700).

Almost surely, 2^74881936 is an apocalyptic number.

74881936 is the 7066-th centered triangular number.

It is an amenable number.

74881936 is a deficient number, since it is larger than the sum of its proper divisors (73546064).

74881936 is a wasteful number, since it uses less digits than its factorization.

74881936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 74881936 is about 8653.4349249301. The cubic root of 74881936 is about 421.4949296910.

The spelling of 74881936 in words is "seventy-four million, eight hundred eighty-one thousand, nine hundred thirty-six".