72936915 has 16 divisors (see below), whose sum is σ = 122841600. Its totient is φ = 36852192.

The previous prime is 72936911. The next prime is 72936923. The reversal of 72936915 is 51963927.

It is not a de Polignac number, because 72936915 - 2² = 72936911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72936911) 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, 127675 + ... + 128244.

It is an arithmetic number, because the mean of its divisors is an integer number (7677600).

Almost surely, 2^72936915 is an apocalyptic number.

72936915 is a deficient number, since it is larger than the sum of its proper divisors (49904685).

72936915 is a wasteful number, since it uses less digits than its factorization.

72936915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255946.

The product of its digits is 102060, while the sum is 42.

The square root of 72936915 is about 8540.3111770005. The cubic root of 72936915 is about 417.8134951643.

The spelling of 72936915 in words is "seventy-two million, nine hundred thirty-six thousand, nine hundred fifteen".