72082734690 has 32 divisors (see below), whose sum is σ = 173005730496. Its totient is φ = 19221266240.

The previous prime is 72082734653. The next prime is 72082734709. The reversal of 72082734690 is 9643728027.

It is a super-2 number, since 2×72082734690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205029 + ... + 1263431.

It is an arithmetic number, because the mean of its divisors is an integer number (5406429078).

Almost surely, 2^72082734690 is an apocalyptic number.

72082734690 is an abundant number, since it is smaller than the sum of its proper divisors (100922995806).

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

72082734690 is a wasteful number, since it uses less digits than its factorization.

72082734690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99554.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 72082734690 in words is "seventy-two billion, eighty-two million, seven hundred thirty-four thousand, six hundred ninety".