72476177796 has 81 divisors (see below), whose sum is σ = 201422011063. Its totient is φ = 21957093840.

The previous prime is 72476177759. The next prime is 72476177861. The reversal of 72476177796 is 69777167427.

The square root of 72476177796 is 269214.

It is a perfect power (a square), and thus also a powerful number.

72476177796 is a `hidden beast` number, since 7 + 2 + 4 + 7 + 617 + 7 + 7 + 9 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17766085 + ... + 17770163.

Almost surely, 2^72476177796 is an apocalyptic number.

72476177796 is the 269214-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72476177796

72476177796 is an abundant number, since it is smaller than the sum of its proper divisors (128945833267).

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

72476177796 is a wasteful number, since it uses less digits than its factorization.

72476177796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190 (or 4095 counting only the distinct ones).

The product of its digits is 43563744, while the sum is 63.

The spelling of 72476177796 in words is "seventy-two billion, four hundred seventy-six million, one hundred seventy-seven thousand, seven hundred ninety-six".