74272444 has 12 divisors (see below), whose sum is σ = 136817800. Its totient is φ = 35181648.

The previous prime is 74272423. The next prime is 74272447. The reversal of 74272444 is 44427247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74272447) 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, 488559 + ... + 488710.

Almost surely, 2^74272444 is an apocalyptic number.

It is an amenable number.

74272444 is a deficient number, since it is larger than the sum of its proper divisors (62545356).

74272444 is a wasteful number, since it uses less digits than its factorization.

74272444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977292 (or 977290 counting only the distinct ones).

The product of its digits is 50176, while the sum is 34.

The square root of 74272444 is about 8618.1462043760. The cubic root of 74272444 is about 420.3482448072.

The spelling of 74272444 in words is "seventy-four million, two hundred seventy-two thousand, four hundred forty-four".