72373856890367 has 2 divisors, whose sum is σ = 72373856890368. Its totient is φ = 72373856890366.

The previous prime is 72373856890339. The next prime is 72373856890453. The reversal of 72373856890367 is 76309865837327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72373856890367 - 2²² = 72373852696063 is a prime.

It is a super-2 number, since 2×72373856890367² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72373856890294 and 72373856890303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72373856890067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36186928445183 + 36186928445184.

It is an arithmetic number, because the mean of its divisors is an integer number (36186928445184).

Almost surely, 2^{72373856890367} is an apocalyptic number.

72373856890367 is a deficient number, since it is larger than the sum of its proper divisors (1).

72373856890367 is an equidigital number, since it uses as much as digits as its factorization.

72373856890367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920360960, while the sum is 74.

The spelling of 72373856890367 in words is "seventy-two trillion, three hundred seventy-three billion, eight hundred fifty-six million, eight hundred ninety thousand, three hundred sixty-seven".