72859630 has 64 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 26522496.

The previous prime is 72859613. The next prime is 72859639. The reversal of 72859630 is 3695827.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72859639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524101 + ... + 524239.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^72859630 is an apocalyptic number.

72859630 is a deficient number, since it is larger than the sum of its proper divisors (70840850).

72859630 is a wasteful number, since it uses less digits than its factorization.

72859630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 72859630 is about 8535.7852597169. The cubic root of 72859630 is about 417.6658692883.

The spelling of 72859630 in words is "seventy-two million, eight hundred fifty-nine thousand, six hundred thirty".