72951574 has 8 divisors (see below), whose sum is σ = 109831968. Its totient is φ = 36340920.

The previous prime is 72951563. The next prime is 72951589. The reversal of 72951574 is 47515927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66757 + ... + 67840.

It is an arithmetic number, because the mean of its divisors is an integer number (13728996).

Almost surely, 2^72951574 is an apocalyptic number.

72951574 is a deficient number, since it is larger than the sum of its proper divisors (36880394).

72951574 is a wasteful number, since it uses less digits than its factorization.

72951574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134870.

The product of its digits is 88200, while the sum is 40.

The square root of 72951574 is about 8541.1693578807. The cubic root of 72951574 is about 417.8414842732.

The spelling of 72951574 in words is "seventy-two million, nine hundred fifty-one thousand, five hundred seventy-four".