72064806 has 32 divisors (see below), whose sum is σ = 157534848. Its totient is φ = 21795840.

The previous prime is 72064793. The next prime is 72064823. The reversal of 72064806 is 60846027.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent 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, 61926 + ... + 63078.

It is an arithmetic number, because the mean of its divisors is an integer number (4922964).

Almost surely, 2^72064806 is an apocalyptic number.

72064806 is an abundant number, since it is smaller than the sum of its proper divisors (85470042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72064806 is a wasteful number, since it uses less digits than its factorization.

72064806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 72064806 is about 8489.0992455030. The cubic root of 72064806 is about 416.1415437661.

The spelling of 72064806 in words is "seventy-two million, sixty-four thousand, eight hundred six".