72642227376 has 80 divisors (see below), whose sum is σ = 195996812544. Its totient is φ = 23140161792.

The previous prime is 72642227369. The next prime is 72642227389. The reversal of 72642227376 is 67372224627.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1203715 + ... + 1262621.

Almost surely, 2^72642227376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72642227376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97998406272).

72642227376 is an abundant number, since it is smaller than the sum of its proper divisors (123354585168).

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

72642227376 is a wasteful number, since it uses less digits than its factorization.

72642227376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60058 (or 60052 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 48.

The spelling of 72642227376 in words is "seventy-two billion, six hundred forty-two million, two hundred twenty-seven thousand, three hundred seventy-six".