72775680152 has 32 divisors (see below), whose sum is σ = 156372856320. Its totient is φ = 31104583200.

The previous prime is 72775680151. The next prime is 72775680179. The reversal of 72775680152 is 25108657727.

It is a self number, because there is not a number n which added to its sum of digits gives 72775680152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72775680151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749974 + ... + 1791077.

It is an arithmetic number, because the mean of its divisors is an integer number (4886651760).

Almost surely, 2^72775680152 is an apocalyptic number.

It is an amenable number.

72775680152 is an abundant number, since it is smaller than the sum of its proper divisors (83597176168).

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

72775680152 is a wasteful number, since it uses less digits than its factorization.

72775680152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541431 (or 3541427 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 72775680152 in words is "seventy-two billion, seven hundred seventy-five million, six hundred eighty thousand, one hundred fifty-two".