72407432850 has 24 divisors (see below), whose sum is σ = 179570433840. Its totient is φ = 19308648720.

The previous prime is 72407432843. The next prime is 72407432893. The reversal of 72407432850 is 5823470427.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241357960 + ... + 241358259.

It is an arithmetic number, because the mean of its divisors is an integer number (7482101410).

Almost surely, 2^72407432850 is an apocalyptic number.

72407432850 is an abundant number, since it is smaller than the sum of its proper divisors (107163000990).

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

72407432850 is a wasteful number, since it uses less digits than its factorization.

72407432850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482716234 (or 482716229 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 72407432850 in words is "seventy-two billion, four hundred seven million, four hundred thirty-two thousand, eight hundred fifty".