72272503943594 has 4 divisors (see below), whose sum is σ = 108408755915394. Its totient is φ = 36136251971796.

The previous prime is 72272503943567. The next prime is 72272503943639. The reversal of 72272503943594 is 49534930527227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65828963385025 + 6443540558569 = 8113505^2 + 2538413^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18068125985897 + ... + 18068125985900.

Almost surely, 2^{72272503943594} is an apocalyptic number.

72272503943594 is a deficient number, since it is larger than the sum of its proper divisors (36136251971800).

72272503943594 is a wasteful number, since it uses less digits than its factorization.

72272503943594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36136251971799.

The product of its (nonzero) digits is 114307200, while the sum is 62.

The spelling of 72272503943594 in words is "seventy-two trillion, two hundred seventy-two billion, five hundred three million, nine hundred forty-three thousand, five hundred ninety-four".