72142936437 has 16 divisors (see below), whose sum is σ = 113007117888. Its totient is φ = 40359684480.

The previous prime is 72142936423. The next prime is 72142936451. The reversal of 72142936437 is 73463924127.

It is an interprime number because it is at equal distance from previous prime (72142936423) and next prime (72142936451).

It is not a de Polignac number, because 72142936437 - 2⁴ = 72142936421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72142937437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84082248 + ... + 84083105.

It is an arithmetic number, because the mean of its divisors is an integer number (7062944868).

Almost surely, 2^72142936437 is an apocalyptic number.

It is an amenable number.

72142936437 is a deficient number, since it is larger than the sum of its proper divisors (40864181451).

72142936437 is a wasteful number, since it uses less digits than its factorization.

72142936437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168165380.

The product of its digits is 1524096, while the sum is 48.

The spelling of 72142936437 in words is "seventy-two billion, one hundred forty-two million, nine hundred thirty-six thousand, four hundred thirty-seven".