72142943715 has 24 divisors (see below), whose sum is σ = 125134062768. Its totient is φ = 38449684800.

The previous prime is 72142943683. The next prime is 72142943777. The reversal of 72142943715 is 51734924127.

72142943715 is a `hidden beast` number, since 72 + 142 + 9 + 437 + 1 + 5 = 666.

It is not a de Polignac number, because 72142943715 - 2⁵ = 72142943683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 487144 + ... + 617733.

It is an arithmetic number, because the mean of its divisors is an integer number (5213919282).

Almost surely, 2^72142943715 is an apocalyptic number.

72142943715 is a deficient number, since it is larger than the sum of its proper divisors (52991119053).

72142943715 is a wasteful number, since it uses less digits than its factorization.

72142943715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106339 (or 1106336 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 72142943715 in words is "seventy-two billion, one hundred forty-two million, nine hundred forty-three thousand, seven hundred fifteen".