72630783834 has 16 divisors (see below), whose sum is σ = 166013220288. Its totient is φ = 20751652512.

The previous prime is 72630783811. The next prime is 72630783899. The reversal of 72630783834 is 43838703627.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864652147 + ... + 864652230.

It is an arithmetic number, because the mean of its divisors is an integer number (10375826268).

Almost surely, 2^72630783834 is an apocalyptic number.

72630783834 is an abundant number, since it is smaller than the sum of its proper divisors (93382436454).

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

72630783834 is a wasteful number, since it uses less digits than its factorization.

72630783834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729304389.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 72630783834 in words is "seventy-two billion, six hundred thirty million, seven hundred eighty-three thousand, eight hundred thirty-four".