72864083 has 4 divisors (see below), whose sum is σ = 72886848. Its totient is φ = 72841320.

The previous prime is 72864079. The next prime is 72864133. The reversal of 72864083 is 38046827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72864083 - 2² = 72864079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72864283) 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, 5603 + ... + 13308.

It is an arithmetic number, because the mean of its divisors is an integer number (18221712).

Almost surely, 2^72864083 is an apocalyptic number.

72864083 is a deficient number, since it is larger than the sum of its proper divisors (22765).

72864083 is a wasteful number, since it uses less digits than its factorization.

72864083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22764.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 72864083 is about 8536.0460987509. The cubic root of 72864083 is about 417.6743780158.

The spelling of 72864083 in words is "seventy-two million, eight hundred sixty-four thousand, eighty-three".