72475637855 has 8 divisors (see below), whose sum is σ = 92086692912. Its totient is φ = 54569891968.

The previous prime is 72475637833. The next prime is 72475637863. The reversal of 72475637855 is 55873657427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72475637855 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72475637794 and 72475637803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426327197 + ... + 426327366.

It is an arithmetic number, because the mean of its divisors is an integer number (11510836614).

Almost surely, 2^72475637855 is an apocalyptic number.

72475637855 is a deficient number, since it is larger than the sum of its proper divisors (19611055057).

72475637855 is a wasteful number, since it uses less digits than its factorization.

72475637855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852654585.

The product of its digits is 49392000, while the sum is 59.

The spelling of 72475637855 in words is "seventy-two billion, four hundred seventy-five million, six hundred thirty-seven thousand, eight hundred fifty-five".