72610909470 has 48 divisors (see below), whose sum is σ = 205950946032. Its totient is φ = 17602644480.

The previous prime is 72610909451. The next prime is 72610909583. The reversal of 72610909470 is 7490901627.

72610909470 is a `hidden beast` number, since 72 + 6 + 109 + 0 + 9 + 470 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36671187 + ... + 36673166.

It is an arithmetic number, because the mean of its divisors is an integer number (4290644709).

Almost surely, 2^72610909470 is an apocalyptic number.

72610909470 is an abundant number, since it is smaller than the sum of its proper divisors (133340036562).

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

72610909470 is a wasteful number, since it uses less digits than its factorization.

72610909470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73344377 (or 73344374 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 72610909470 in words is "seventy-two billion, six hundred ten million, nine hundred nine thousand, four hundred seventy".