72258857756280 has 96 divisors (see below), whose sum is σ = 252906002163360. Its totient is φ = 17786795754240.

The previous prime is 72258857756263. The next prime is 72258857756297. The reversal of 72258857756280 is 8265775885227.

72258857756280 is a `hidden beast` number, since 7 + 2 + 2 + 5 + 8 + 8 + 57 + 7 + 562 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (72258857756263) and next prime (72258857756297).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 72258857756199 and 72258857756208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7719958756 + ... + 7719968115.

It is an arithmetic number, because the mean of its divisors is an integer number (2634437522535).

Almost surely, 2^{72258857756280} is an apocalyptic number.

It is an amenable number.

72258857756280 is an abundant number, since it is smaller than the sum of its proper divisors (180647144407080).

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

72258857756280 is a wasteful number, since it uses less digits than its factorization.

72258857756280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15439926901 (or 15439926894 counting only the distinct ones).

The product of its (nonzero) digits is 1053696000, while the sum is 72.

The spelling of 72258857756280 in words is "seventy-two trillion, two hundred fifty-eight billion, eight hundred fifty-seven million, seven hundred fifty-six thousand, two hundred eighty".