72270948631355 has 16 divisors (see below), whose sum is σ = 90498057560064. Its totient is φ = 55301605048800.

The previous prime is 72270948631319. The next prime is 72270948631393. The reversal of 72270948631355 is 55313684907227.

It is a de Polignac number, because none of the positive numbers 2^k-72270948631355 is a prime.

It is a Duffinian number.

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, 3216071 + ... + 12445280.

It is an arithmetic number, because the mean of its divisors is an integer number (5656128597504).

It is a 1-persistent number, because it is pandigital, but 2⋅72270948631355 = 144541897262710 is not.

Almost surely, 2^{72270948631355} is an apocalyptic number.

72270948631355 is a deficient number, since it is larger than the sum of its proper divisors (18227108928709).

72270948631355 is a wasteful number, since it uses less digits than its factorization.

72270948631355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15701506.

The product of its (nonzero) digits is 76204800, while the sum is 62.

The spelling of 72270948631355 in words is "seventy-two trillion, two hundred seventy billion, nine hundred forty-eight million, six hundred thirty-one thousand, three hundred fifty-five".