73983172352 has 36 divisors (see below), whose sum is σ = 149757347376. Its totient is φ = 36470568960.

The previous prime is 73983172343. The next prime is 73983172411. The reversal of 73983172352 is 25327138937.

It is a self number, because there is not a number n which added to its sum of digits gives 73983172352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017013 + ... + 2053364.

It is an arithmetic number, because the mean of its divisors is an integer number (4159926316).

Almost surely, 2^73983172352 is an apocalyptic number.

It is an amenable number.

73983172352 is an abundant number, since it is smaller than the sum of its proper divisors (75774175024).

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

73983172352 is an equidigital number, since it uses as much as digits as its factorization.

73983172352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070464 (or 4070450 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The spelling of 73983172352 in words is "seventy-three billion, nine hundred eighty-three million, one hundred seventy-two thousand, three hundred fifty-two".