74671944 has 16 divisors (see below), whose sum is σ = 186679920. Its totient is φ = 24890640.

The previous prime is 74671943. The next prime is 74671967. The reversal of 74671944 is 44917647.

It is a junction number, because it is equal to n+sod(n) for n = 74671896 and 74671905.

It is not an unprimeable number, because it can be changed into a prime (74671943) 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 3 ways as a sum of consecutive naturals, for example, 1555642 + ... + 1555689.

It is an arithmetic number, because the mean of its divisors is an integer number (11667495).

Almost surely, 2^74671944 is an apocalyptic number.

It is an amenable number.

74671944 is an abundant number, since it is smaller than the sum of its proper divisors (112007976).

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

74671944 is a wasteful number, since it uses less digits than its factorization.

74671944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111340 (or 3111336 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 74671944 is about 8641.2929588112. The cubic root of 74671944 is about 421.1005603050.

The spelling of 74671944 in words is "seventy-four million, six hundred seventy-one thousand, nine hundred forty-four".