72799226100 has 54 divisors (see below), whose sum is σ = 228185132630. Its totient is φ = 19413126720.

The previous prime is 72799226081. The next prime is 72799226113. The reversal of 72799226100 is 162299727.

72799226100 is a `hidden beast` number, since 7 + 2 + 7 + 9 + 9 + 22 + 610 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3732232464 + 69066993636 = 61092^2 + 262806^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40443115 + ... + 40444914.

Almost surely, 2^72799226100 is an apocalyptic number.

It is an amenable number.

72799226100 is an abundant number, since it is smaller than the sum of its proper divisors (155385906530).

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

72799226100 is a wasteful number, since it uses less digits than its factorization.

72799226100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80888049 (or 80888039 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 72799226100 in words is "seventy-two billion, seven hundred ninety-nine million, two hundred twenty-six thousand, one hundred".