72741975 has 24 divisors (see below), whose sum is σ = 126599040. Its totient is φ = 36753120.

The previous prime is 72741959. The next prime is 72741989. The reversal of 72741975 is 57914727.

It is not a de Polignac number, because 72741975 - 2⁴ = 72741959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24099 + ... + 26948.

It is an arithmetic number, because the mean of its divisors is an integer number (5274960).

Almost surely, 2^72741975 is an apocalyptic number.

72741975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72741975 is a deficient number, since it is larger than the sum of its proper divisors (53857065).

72741975 is a wasteful number, since it uses less digits than its factorization.

72741975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51079 (or 51074 counting only the distinct ones).

The product of its digits is 123480, while the sum is 42.

The square root of 72741975 is about 8528.8906078106. The cubic root of 72741975 is about 417.4409301252.

The spelling of 72741975 in words is "seventy-two million, seven hundred forty-one thousand, nine hundred seventy-five".