72373856890383 has 24 divisors (see below), whose sum is σ = 105996620021760. Its totient is φ = 47580878918160.

The previous prime is 72373856890367. The next prime is 72373856890453. The reversal of 72373856890383 is 38309865837327.

72373856890383 is a `hidden beast` number, since 7 + 2 + 373 + 85 + 68 + 90 + 38 + 3 = 666.

It is not a de Polignac number, because 72373856890383 - 2⁴ = 72373856890367 is a prime.

It is a super-2 number, since 2×72373856890383² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72373856890183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163111503 + ... + 163554608.

It is an arithmetic number, because the mean of its divisors is an integer number (4416525834240).

Almost surely, 2^{72373856890383} is an apocalyptic number.

72373856890383 is a deficient number, since it is larger than the sum of its proper divisors (33622763131377).

72373856890383 is a wasteful number, since it uses less digits than its factorization.

72373856890383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326666459 (or 326666456 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 72.

The spelling of 72373856890383 in words is "seventy-two trillion, three hundred seventy-three billion, eight hundred fifty-six million, eight hundred ninety thousand, three hundred eighty-three".