72200689 has 16 divisors (see below), whose sum is σ = 80269056. Its totient is φ = 64396800.

The previous prime is 72200669. The next prime is 72200693. The reversal of 72200689 is 98600227.

It is a cyclic number.

It is not a de Polignac number, because 72200689 - 2⁷ = 72200561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72200629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167304 + ... + 167734.

It is an arithmetic number, because the mean of its divisors is an integer number (5016816).

Almost surely, 2^72200689 is an apocalyptic number.

It is an amenable number.

72200689 is a deficient number, since it is larger than the sum of its proper divisors (8068367).

72200689 is a wasteful number, since it uses less digits than its factorization.

72200689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 72200689 is about 8497.0988578455. The cubic root of 72200689 is about 416.4029337609.

The spelling of 72200689 in words is "seventy-two million, two hundred thousand, six hundred eighty-nine".