72373856890303 has 8 divisors (see below), whose sum is σ = 72691709256000. Its totient is φ = 72056700807168.

The previous prime is 72373856890249. The next prime is 72373856890339. The reversal of 72373856890303 is 30309865837327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72373856890303 is a prime.

It is a super-2 number, since 2×72373856890303² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72373856890003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173862298 + ... + 174278071.

It is an arithmetic number, because the mean of its divisors is an integer number (9086463657000).

Almost surely, 2^{72373856890303} is an apocalyptic number.

72373856890303 is a deficient number, since it is larger than the sum of its proper divisors (317852365697).

72373856890303 is a wasteful number, since it uses less digits than its factorization.

72373856890303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348141281.

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 72373856890303 in words is "seventy-two trillion, three hundred seventy-three billion, eight hundred fifty-six million, eight hundred ninety thousand, three hundred three".