72298753634 has 8 divisors (see below), whose sum is σ = 108685436268. Its totient is φ = 36070274880.

The previous prime is 72298753619. The next prime is 72298753649. The reversal of 72298753634 is 43635789227.

It is an interprime number because it is at equal distance from previous prime (72298753619) and next prime (72298753649).

It can be written as a sum of positive squares in 2 ways, for example, as 65794815025 + 6503938609 = 256505^2 + 80647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72298753634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39549827 + ... + 39551654.

Almost surely, 2^72298753634 is an apocalyptic number.

72298753634 is a deficient number, since it is larger than the sum of its proper divisors (36386682634).

72298753634 is a wasteful number, since it uses less digits than its factorization.

72298753634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79101940.

The product of its digits is 15240960, while the sum is 56.

The spelling of 72298753634 in words is "seventy-two billion, two hundred ninety-eight million, seven hundred fifty-three thousand, six hundred thirty-four".