73239157797 has 16 divisors (see below), whose sum is σ = 105168846720. Its totient is φ = 45068139072.

The previous prime is 73239157769. The next prime is 73239157799. The reversal of 73239157797 is 79775193237.

It is not a de Polignac number, because 73239157797 - 2¹⁰ = 73239156773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73239157797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73239157799) 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, 1393368 + ... + 1444974.

It is an arithmetic number, because the mean of its divisors is an integer number (6573052920).

Almost surely, 2^73239157797 is an apocalyptic number.

It is an amenable number.

73239157797 is a deficient number, since it is larger than the sum of its proper divisors (31929688923).

73239157797 is a wasteful number, since it uses less digits than its factorization.

73239157797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88012.

The product of its digits is 17503290, while the sum is 60.

The spelling of 73239157797 in words is "seventy-three billion, two hundred thirty-nine million, one hundred fifty-seven thousand, seven hundred ninety-seven".