72907895 has 8 divisors (see below), whose sum is σ = 87776304. Its totient is φ = 58135104.

The previous prime is 72907867. The next prime is 72907949. The reversal of 72907895 is 59870927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72907895 - 2¹² = 72903799 is a prime.

It is a super-2 number, since 2×72907895² = 10631122306662050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22214 + ... + 25283.

It is an arithmetic number, because the mean of its divisors is an integer number (10972038).

Almost surely, 2^72907895 is an apocalyptic number.

72907895 is a deficient number, since it is larger than the sum of its proper divisors (14868409).

72907895 is a wasteful number, since it uses less digits than its factorization.

72907895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47809.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 72907895 is about 8538.6120066437. The cubic root of 72907895 is about 417.7580748692.

The spelling of 72907895 in words is "seventy-two million, nine hundred seven thousand, eight hundred ninety-five".