72587630 has 16 divisors (see below), whose sum is σ = 133845264. Its totient is φ = 28326720.

The previous prime is 72587617. The next prime is 72587633. The reversal of 72587630 is 3678527.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72587633) 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, 88112 + ... + 88931.

It is an arithmetic number, because the mean of its divisors is an integer number (8365329).

Almost surely, 2^72587630 is an apocalyptic number.

72587630 is a deficient number, since it is larger than the sum of its proper divisors (61257634).

72587630 is a wasteful number, since it uses less digits than its factorization.

72587630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177091.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 72587630 is about 8519.8374397637. The cubic root of 72587630 is about 417.1454769447.

The spelling of 72587630 in words is "seventy-two million, five hundred eighty-seven thousand, six hundred thirty".