72050012775 has 72 divisors (see below), whose sum is σ = 141051128400. Its totient is φ = 34941265920.

The previous prime is 72050012753. The next prime is 72050012779. The reversal of 72050012775 is 57721005027.

72050012775 is a `hidden beast` number, since 7 + 20 + 500 + 127 + 7 + 5 = 666.

It is not a de Polignac number, because 72050012775 - 2⁶ = 72050012711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72050012779) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12151 + ... + 379799.

It is an arithmetic number, because the mean of its divisors is an integer number (1959043450).

Almost surely, 2^72050012775 is an apocalyptic number.

72050012775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72050012775 is a deficient number, since it is larger than the sum of its proper divisors (69001115625).

72050012775 is a wasteful number, since it uses less digits than its factorization.

72050012775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367745 (or 367737 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The spelling of 72050012775 in words is "seventy-two billion, fifty million, twelve thousand, seven hundred seventy-five".