72754547355 has 256 divisors, whose sum is σ = 158970470400. Its totient is φ = 30865121280.

The previous prime is 72754547309. The next prime is 72754547399. The reversal of 72754547355 is 55374545727.

72754547355 is a `hidden beast` number, since 7 + 2 + 7 + 545 + 47 + 3 + 55 = 666.

It is not a de Polignac number, because 72754547355 - 2⁷ = 72754547227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 82022722 + ... + 82023608.

It is an arithmetic number, because the mean of its divisors is an integer number (620978400).

Almost surely, 2^72754547355 is an apocalyptic number.

72754547355 is an abundant number, since it is smaller than the sum of its proper divisors (86215923045).

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

72754547355 is a wasteful number, since it uses less digits than its factorization.

72754547355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1045 counting only the distinct ones).

The product of its digits is 20580000, while the sum is 54.

The spelling of 72754547355 in words is "seventy-two billion, seven hundred fifty-four million, five hundred forty-seven thousand, three hundred fifty-five".