72279233322032 has 40 divisors (see below), whose sum is σ = 152819506052112. Its totient is φ = 32843984025600.

The previous prime is 72279233321951. The next prime is 72279233322053. The reversal of 72279233322032 is 23022333297227.

It is a happy 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, 63263069 + ... + 64395452.

Almost surely, 2^{72279233322032} is an apocalyptic number.

It is an amenable number.

72279233322032 is an abundant number, since it is smaller than the sum of its proper divisors (80540272730080).

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

72279233322032 is a wasteful number, since it uses less digits than its factorization.

72279233322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127661757 (or 127661751 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 47.

The spelling of 72279233322032 in words is "seventy-two trillion, two hundred seventy-nine billion, two hundred thirty-three million, three hundred twenty-two thousand, thirty-two".