74272875 has 64 divisors (see below), whose sum is σ = 130605696. Its totient is φ = 37440000.

The previous prime is 74272871. The next prime is 74272883. The reversal of 74272875 is 57827247.

It is not a de Polignac number, because 74272875 - 2² = 74272871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74272871) 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 63 ways as a sum of consecutive naturals, for example, 735325 + ... + 735425.

It is an arithmetic number, because the mean of its divisors is an integer number (2040714).

Almost surely, 2^74272875 is an apocalyptic number.

74272875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74272875 is a deficient number, since it is larger than the sum of its proper divisors (56332821).

74272875 is a wasteful number, since it uses less digits than its factorization.

74272875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 199 counting only the distinct ones).

The product of its digits is 219520, while the sum is 42.

The square root of 74272875 is about 8618.1712097173. The cubic root of 74272875 is about 420.3490578936.

The spelling of 74272875 in words is "seventy-four million, two hundred seventy-two thousand, eight hundred seventy-five".