72665795 has 8 divisors (see below), whose sum is σ = 87331824. Its totient is φ = 58044064.

The previous prime is 72665773. The next prime is 72665819. The reversal of 72665795 is 59756627.

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 72665795 - 2⁸ = 72665539 is a prime.

It is a Duffinian 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, 7349 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (10916478).

Almost surely, 2^72665795 is an apocalyptic number.

72665795 is a deficient number, since it is larger than the sum of its proper divisors (14666029).

72665795 is a wasteful number, since it uses less digits than its factorization.

72665795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22149.

The product of its digits is 793800, while the sum is 47.

The square root of 72665795 is about 8524.4234409138. The cubic root of 72665795 is about 417.2951557048.

The spelling of 72665795 in words is "seventy-two million, six hundred sixty-five thousand, seven hundred ninety-five".