72949715 has 16 divisors (see below), whose sum is σ = 89945856. Its totient is φ = 56767200.

The previous prime is 72949699. The next prime is 72949739. The reversal of 72949715 is 51794927.

It is not a de Polignac number, because 72949715 - 2⁴ = 72949699 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, 66320 + ... + 67410.

It is an arithmetic number, because the mean of its divisors is an integer number (5621616).

Almost surely, 2^72949715 is an apocalyptic number.

72949715 is a deficient number, since it is larger than the sum of its proper divisors (16996141).

72949715 is a wasteful number, since it uses less digits than its factorization.

72949715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its digits is 158760, while the sum is 44.

The square root of 72949715 is about 8541.0605313392. The cubic root of 72949715 is about 417.8379350058.

The spelling of 72949715 in words is "seventy-two million, nine hundred forty-nine thousand, seven hundred fifteen".