72701547729843 has 4 divisors (see below), whose sum is σ = 96935396973128. Its totient is φ = 48467698486560.

The previous prime is 72701547729799. The next prime is 72701547729847. The reversal of 72701547729843 is 34892774510727.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72701547729843 - 2³⁰ = 72700473988019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72701547729847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12116924621638 + ... + 12116924621643.

It is an arithmetic number, because the mean of its divisors is an integer number (24233849243282).

Almost surely, 2^{72701547729843} is an apocalyptic number.

72701547729843 is a deficient number, since it is larger than the sum of its proper divisors (24233849243285).

72701547729843 is a wasteful number, since it uses less digits than its factorization.

72701547729843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24233849243284.

The product of its (nonzero) digits is 165957120, while the sum is 66.

The spelling of 72701547729843 in words is "seventy-two trillion, seven hundred one billion, five hundred forty-seven million, seven hundred twenty-nine thousand, eight hundred forty-three".