74268944 has 20 divisors (see below), whose sum is σ = 144222540. Its totient is φ = 37050240.

The previous prime is 74268941. The next prime is 74268949. The reversal of 74268944 is 44986247.

It can be written as a sum of positive squares in 2 ways, for example, as 21270544 + 52998400 = 4612^2 + 7280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74268895 and 74268904.

It is not an unprimeable number, because it can be changed into a prime (74268941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342 + ... + 12410.

It is an arithmetic number, because the mean of its divisors is an integer number (7211127).

Almost surely, 2^74268944 is an apocalyptic number.

It is an amenable number.

74268944 is a deficient number, since it is larger than the sum of its proper divisors (69953596).

74268944 is a wasteful number, since it uses less digits than its factorization.

74268944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538 (or 10532 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 74268944 is about 8617.9431420728. The cubic root of 74268944 is about 420.3416419009.

The spelling of 74268944 in words is "seventy-four million, two hundred sixty-eight thousand, nine hundred forty-four".