73513864237 has 12 divisors (see below), whose sum is σ = 82523746368. Its totient is φ = 65408849000.

The previous prime is 73513864217. The next prime is 73513864253. The reversal of 73513864237 is 73246831537.

It is not a de Polignac number, because 73513864237 - 2³⁵ = 39154125869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73513864217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6457639 + ... + 6469012.

It is an arithmetic number, because the mean of its divisors is an integer number (6876978864).

Almost surely, 2^73513864237 is an apocalyptic number.

It is an amenable number.

73513864237 is a deficient number, since it is larger than the sum of its proper divisors (9009882131).

73513864237 is a wasteful number, since it uses less digits than its factorization.

73513864237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12926720 (or 12926709 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 73513864237 in words is "seventy-three billion, five hundred thirteen million, eight hundred sixty-four thousand, two hundred thirty-seven".