72588970 has 8 divisors (see below), whose sum is σ = 130660164. Its totient is φ = 29035584.

The previous prime is 72588961. The next prime is 72588973. The reversal of 72588970 is 7988527.

It can be written as a sum of positive squares in 2 ways, for example, as 71554681 + 1034289 = 8459^2 + 1017^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 72588970.

It is not an unprimeable number, because it can be changed into a prime (72588973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3629439 + ... + 3629458.

Almost surely, 2^72588970 is an apocalyptic number.

72588970 is a deficient number, since it is larger than the sum of its proper divisors (58071194).

72588970 is a wasteful number, since it uses less digits than its factorization.

72588970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258904.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 72588970 is about 8519.9160793989. The cubic root of 72588970 is about 417.1480438261.

The spelling of 72588970 in words is "seventy-two million, five hundred eighty-eight thousand, nine hundred seventy".