72276755012 has 48 divisors (see below), whose sum is σ = 157744728960. Its totient is φ = 28150848000.

The previous prime is 72276754999. The next prime is 72276755051. The reversal of 72276755012 is 21055767227.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981164 + ... + 1052252.

It is an arithmetic number, because the mean of its divisors is an integer number (3286348520).

Almost surely, 2^72276755012 is an apocalyptic number.

It is an amenable number.

72276755012 is an abundant number, since it is smaller than the sum of its proper divisors (85467973948).

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

72276755012 is a wasteful number, since it uses less digits than its factorization.

72276755012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74412 (or 74410 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 72276755012 in words is "seventy-two billion, two hundred seventy-six million, seven hundred fifty-five thousand, twelve".