72228761075 has 6 divisors (see below), whose sum is σ = 89563663764. Its totient is φ = 57783008840.

The previous prime is 72228761069. The next prime is 72228761083. The reversal of 72228761075 is 57016782227.

It is not a de Polignac number, because 72228761075 - 2³⁰ = 71155019251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1444575197 + ... + 1444575246.

It is an arithmetic number, because the mean of its divisors is an integer number (14927277294).

Almost surely, 2^72228761075 is an apocalyptic number.

72228761075 is a deficient number, since it is larger than the sum of its proper divisors (17334902689).

72228761075 is a wasteful number, since it uses less digits than its factorization.

72228761075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889150453 (or 2889150448 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 72228761075 in words is "seventy-two billion, two hundred twenty-eight million, seven hundred sixty-one thousand, seventy-five".