72194044494 has 32 divisors (see below), whose sum is σ = 169630763904. Its totient is φ = 20194138080.

The previous prime is 72194044493. The next prime is 72194044501. The reversal of 72194044494 is 49444049127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72194044493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42070264 + ... + 42071979.

It is an arithmetic number, because the mean of its divisors is an integer number (5300961372).

Almost surely, 2^72194044494 is an apocalyptic number.

72194044494 is an abundant number, since it is smaller than the sum of its proper divisors (97436719410).

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

72194044494 is a wasteful number, since it uses less digits than its factorization.

72194044494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84142272.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 72194044494 in words is "seventy-two billion, one hundred ninety-four million, forty-four thousand, four hundred ninety-four".