72610705 has 8 divisors (see below), whose sum is σ = 87302592. Its totient is φ = 57975408.

The previous prime is 72610697. The next prime is 72610709. The reversal of 72610705 is 50701627.

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 72610705 - 2³ = 72610697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72610709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11269 + ... + 16498.

It is an arithmetic number, because the mean of its divisors is an integer number (10912824).

Almost surely, 2^72610705 is an apocalyptic number.

It is an amenable number.

72610705 is a deficient number, since it is larger than the sum of its proper divisors (14691887).

72610705 is a wasteful number, since it uses less digits than its factorization.

72610705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28295.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 72610705 is about 8521.1915246637. The cubic root of 72610705 is about 417.1896746135.

The spelling of 72610705 in words is "seventy-two million, six hundred ten thousand, seven hundred five".