72332070 has 16 divisors (see below), whose sum is σ = 173597040. Its totient is φ = 19288544.

The previous prime is 72332047. The next prime is 72332087. The reversal of 72332070 is 7023327.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72332070.

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, 1205505 + ... + 1205564.

It is an arithmetic number, because the mean of its divisors is an integer number (10849815).

Almost surely, 2^72332070 is an apocalyptic number.

72332070 is an abundant number, since it is smaller than the sum of its proper divisors (101264970).

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

72332070 is a wasteful number, since it uses less digits than its factorization.

72332070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411079.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 72332070 is about 8504.8262768854. The cubic root of 72332070 is about 416.6553518705.

Adding to 72332070 its reverse (7023327), we get a palindrome (79355397).

The spelling of 72332070 in words is "seventy-two million, three hundred thirty-two thousand, seventy".