72702830722 has 16 divisors (see below), whose sum is σ = 109421103744. Its totient is φ = 36229306000.

The previous prime is 72702830713. The next prime is 72702830729. The reversal of 72702830722 is 22703820727.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72702830729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793572 + ... + 880432.

It is an arithmetic number, because the mean of its divisors is an integer number (6838818984).

Almost surely, 2^72702830722 is an apocalyptic number.

72702830722 is a deficient number, since it is larger than the sum of its proper divisors (36718273022).

72702830722 is a wasteful number, since it uses less digits than its factorization.

72702830722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88265.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 72702830722 in words is "seventy-two billion, seven hundred two million, eight hundred thirty thousand, seven hundred twenty-two".