72475382086 has 64 divisors (see below), whose sum is σ = 120492852480. Its totient is φ = 32566786560.

The previous prime is 72475382071. The next prime is 72475382093. The reversal of 72475382086 is 68028357427.

It is a happy number.

It is a super-2 number, since 2×72475382086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15607281 + ... + 15611923.

It is an arithmetic number, because the mean of its divisors is an integer number (1882700820).

Almost surely, 2^72475382086 is an apocalyptic number.

72475382086 is a deficient number, since it is larger than the sum of its proper divisors (48017470394).

72475382086 is a wasteful number, since it uses less digits than its factorization.

72475382086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 72475382086 in words is "seventy-two billion, four hundred seventy-five million, three hundred eighty-two thousand, eighty-six".