72013683 has 24 divisors (see below), whose sum is σ = 118269072. Its totient is φ = 38728704.

The previous prime is 72013681. The next prime is 72013687. The reversal of 72013683 is 38631027.

It is not a de Polignac number, because 72013683 - 2¹ = 72013681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72013683.

It is not an unprimeable number, because it can be changed into a prime (72013681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11910 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (4927878).

Almost surely, 2^72013683 is an apocalyptic number.

72013683 is a deficient number, since it is larger than the sum of its proper divisors (46255389).

72013683 is a wasteful number, since it uses less digits than its factorization.

72013683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28851 (or 28844 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 72013683 is about 8486.0876144428. The cubic root of 72013683 is about 416.0431164476.

The spelling of 72013683 in words is "seventy-two million, thirteen thousand, six hundred eighty-three".