72876030786 has 24 divisors (see below), whose sum is σ = 170044072380. Its totient is φ = 22423394016.

The previous prime is 72876030781. The next prime is 72876030827. The reversal of 72876030786 is 68703067827.

72876030786 is a `hidden beast` number, since 7 + 28 + 7 + 603 + 0 + 7 + 8 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72862744761 + 13286025 = 269931^2 + 3645^2 .

It is not an unprimeable number, because it can be changed into a prime (72876030781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155717781 + ... + 155718248.

Almost surely, 2^72876030786 is an apocalyptic number.

72876030786 is an abundant number, since it is smaller than the sum of its proper divisors (97168041594).

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

72876030786 is a wasteful number, since it uses less digits than its factorization.

72876030786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311436050 (or 311436047 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 72876030786 in words is "seventy-two billion, eight hundred seventy-six million, thirty thousand, seven hundred eighty-six".