72560971 has 8 divisors (see below), whose sum is σ = 82978560. Its totient is φ = 62156328.

The previous prime is 72560953. The next prime is 72560977. The reversal of 72560971 is 17906527.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72560971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72560971.

It is not an unprimeable number, because it can be changed into a prime (72560977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18810 + ... + 22336.

It is an arithmetic number, because the mean of its divisors is an integer number (10372320).

Almost surely, 2^72560971 is an apocalyptic number.

72560971 is a deficient number, since it is larger than the sum of its proper divisors (10417589).

72560971 is a wasteful number, since it uses less digits than its factorization.

72560971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 72560971 is about 8518.2727709319. The cubic root of 72560971 is about 417.0944028477.

The spelling of 72560971 in words is "seventy-two million, five hundred sixty thousand, nine hundred seventy-one".