72860093730 has 40 divisors (see below), whose sum is σ = 195912698652. Its totient is φ = 19429358112.

The previous prime is 72860093717. The next prime is 72860093777. The reversal of 72860093730 is 3739006827.

It is a happy number.

72860093730 is a `hidden beast` number, since 7 + 2 + 8 + 600 + 9 + 3 + 7 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 67544371449 + 5315722281 = 259893^2 + 72909^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44974557 + ... + 44976176.

Almost surely, 2^72860093730 is an apocalyptic number.

72860093730 is an abundant number, since it is smaller than the sum of its proper divisors (123052604922).

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

72860093730 is a wasteful number, since it uses less digits than its factorization.

72860093730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89950752 (or 89950743 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 72860093730 in words is "seventy-two billion, eight hundred sixty million, ninety-three thousand, seven hundred thirty".