72801154496 has 56 divisors (see below), whose sum is σ = 165212572800. Its totient is φ = 31179716352.

The previous prime is 72801154423. The next prime is 72801154511. The reversal of 72801154496 is 69445110827.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×72801154496² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72801154496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628955 + ... + 735653.

Almost surely, 2^72801154496 is an apocalyptic number.

It is an amenable number.

72801154496 is an abundant number, since it is smaller than the sum of its proper divisors (92411418304).

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

72801154496 is a wasteful number, since it uses less digits than its factorization.

72801154496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108241 (or 108231 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 72801154496 in words is "seventy-two billion, eight hundred one million, one hundred fifty-four thousand, four hundred ninety-six".