73251415636 has 24 divisors (see below), whose sum is σ = 151554654720. Its totient is φ = 30310930272.

The previous prime is 73251415553. The next prime is 73251415661. The reversal of 73251415636 is 63651415237.

It is a junction number, because it is equal to n+sod(n) for n = 73251415592 and 73251415601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45104740 + ... + 45106363.

It is an arithmetic number, because the mean of its divisors is an integer number (6314777280).

Almost surely, 2^73251415636 is an apocalyptic number.

It is an amenable number.

73251415636 is an abundant number, since it is smaller than the sum of its proper divisors (78303239084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73251415636 is a wasteful number, since it uses less digits than its factorization.

73251415636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90211143 (or 90211141 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The spelling of 73251415636 in words is "seventy-three billion, two hundred fifty-one million, four hundred fifteen thousand, six hundred thirty-six".