72200687 has 12 divisors (see below), whose sum is σ = 78691464. Its totient is φ = 66212640.

The previous prime is 72200669. The next prime is 72200693. The reversal of 72200687 is 78600227.

It is not a de Polignac number, because 72200687 - 2¹² = 72196591 is a prime.

It is a super-3 number, since 3×72200687³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72200287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26237 + ... + 28857.

It is an arithmetic number, because the mean of its divisors is an integer number (6557622).

Almost surely, 2^72200687 is an apocalyptic number.

72200687 is a deficient number, since it is larger than the sum of its proper divisors (6490777).

72200687 is a wasteful number, since it uses less digits than its factorization.

72200687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 72200687 is about 8497.0987401583. The cubic root of 72200687 is about 416.4029299160.

The spelling of 72200687 in words is "seventy-two million, two hundred thousand, six hundred eighty-seven".