72267143342735 has 12 divisors (see below), whose sum is σ = 95320959318984. Its totient is φ = 52557922430640.

The previous prime is 72267143342729. The next prime is 72267143342741. The reversal of 72267143342735 is 53724334176227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72267143342729) and next prime (72267143342741).

It is not a de Polignac number, because 72267143342735 - 2³² = 72262848375439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59724911249 + ... + 59724912458.

It is an arithmetic number, because the mean of its divisors is an integer number (7943413276582).

Almost surely, 2^{72267143342735} is an apocalyptic number.

72267143342735 is a deficient number, since it is larger than the sum of its proper divisors (23053815976249).

72267143342735 is a wasteful number, since it uses less digits than its factorization.

72267143342735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119449823734 (or 119449823723 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 56.

The spelling of 72267143342735 in words is "seventy-two trillion, two hundred sixty-seven billion, one hundred forty-three million, three hundred forty-two thousand, seven hundred thirty-five".