72141508 has 12 divisors (see below), whose sum is σ = 126805392. Its totient is φ = 35911400.

The previous prime is 72141469. The next prime is 72141521. The reversal of 72141508 is 80514127.

It is an unprimeable number.

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, 38818 + ... + 40633.

It is an arithmetic number, because the mean of its divisors is an integer number (10567116).

Almost surely, 2^72141508 is an apocalyptic number.

It is an amenable number.

72141508 is a deficient number, since it is larger than the sum of its proper divisors (54663884).

72141508 is a wasteful number, since it uses less digits than its factorization.

72141508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79682 (or 79680 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 72141508 is about 8493.6157200570. The cubic root of 72141508 is about 416.2891311618.

The spelling of 72141508 in words is "seventy-two million, one hundred forty-one thousand, five hundred eight".