72625722 has 48 divisors (see below), whose sum is σ = 159780960. Its totient is φ = 21992256.

The previous prime is 72625673. The next prime is 72625757. The reversal of 72625722 is 22752627.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67404 + ... + 68472.

It is an arithmetic number, because the mean of its divisors is an integer number (3328770).

Almost surely, 2^72625722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72625722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79890480).

72625722 is an abundant number, since it is smaller than the sum of its proper divisors (87155238).

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

72625722 is a wasteful number, since it uses less digits than its factorization.

72625722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1154 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 72625722 is about 8522.0726352220. The cubic root of 72625722 is about 417.2184330246.

The spelling of 72625722 in words is "seventy-two million, six hundred twenty-five thousand, seven hundred twenty-two".