74501272 has 16 divisors (see below), whose sum is σ = 140758200. Its totient is φ = 36965760.

The previous prime is 74501267. The next prime is 74501279. The reversal of 74501272 is 27210547.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 74501272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74501279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34497 + ... + 36592.

Almost surely, 2^74501272 is an apocalyptic number.

It is an amenable number.

74501272 is a deficient number, since it is larger than the sum of its proper divisors (66256928).

74501272 is a wasteful number, since it uses less digits than its factorization.

74501272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71226 (or 71222 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 74501272 is about 8631.4119354831. The cubic root of 74501272 is about 420.7794896922.

The spelling of 74501272 in words is "seventy-four million, five hundred one thousand, two hundred seventy-two".