72586330 has 16 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 28416592.

The previous prime is 72586313. The next prime is 72586337. The reversal of 72586330 is 3368527.

It is not an unprimeable number, because it can be changed into a prime (72586337) 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, 76750 + ... + 77689.

It is an arithmetic number, because the mean of its divisors is an integer number (8339760).

Almost surely, 2^72586330 is an apocalyptic number.

72586330 is a deficient number, since it is larger than the sum of its proper divisors (60849830).

72586330 is a wasteful number, since it uses less digits than its factorization.

72586330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154493.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 72586330 is about 8519.7611468867. The cubic root of 72586330 is about 417.1429866565.

The spelling of 72586330 in words is "seventy-two million, five hundred eighty-six thousand, three hundred thirty".