72700115 has 16 divisors (see below), whose sum is σ = 91155456. Its totient is φ = 55596000.

The previous prime is 72700091. The next prime is 72700123. The reversal of 72700115 is 51100727.

It is a happy number.

It is not a de Polignac number, because 72700115 - 2¹⁴ = 72683731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10040 + ... + 15690.

It is an arithmetic number, because the mean of its divisors is an integer number (5697216).

Almost surely, 2^72700115 is an apocalyptic number.

72700115 is a deficient number, since it is larger than the sum of its proper divisors (18455341).

72700115 is a wasteful number, since it uses less digits than its factorization.

72700115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 72700115 is about 8526.4362426514. The cubic root of 72700115 is about 417.3608414269.

The spelling of 72700115 in words is "seventy-two million, seven hundred thousand, one hundred fifteen".