72267741737855 has 8 divisors (see below), whose sum is σ = 86825899608000. Its totient is φ = 57744453708576.

The previous prime is 72267741737831. The next prime is 72267741737857. The reversal of 72267741737855 is 55873714776227.

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

It is a cyclic number.

It is not a de Polignac number, because 72267741737855 - 2⁸ = 72267741737599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72267741737857) 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, 8717455655 + ... + 8717463944.

It is an arithmetic number, because the mean of its divisors is an integer number (10853237451000).

Almost surely, 2^{72267741737855} is an apocalyptic number.

72267741737855 is a deficient number, since it is larger than the sum of its proper divisors (14558157870145).

72267741737855 is a wasteful number, since it uses less digits than its factorization.

72267741737855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17434920433.

The product of its digits is 968083200, while the sum is 71.

The spelling of 72267741737855 in words is "seventy-two trillion, two hundred sixty-seven billion, seven hundred forty-one million, seven hundred thirty-seven thousand, eight hundred fifty-five".