72373856890339 has 2 divisors, whose sum is σ = 72373856890340. Its totient is φ = 72373856890338.

The previous prime is 72373856890249. The next prime is 72373856890367. The reversal of 72373856890339 is 93309865837327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72373856890339 - 2⁹ = 72373856889827 is a prime.

It is a super-2 number, since 2×72373856890339² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72373856590339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36186928445169 + 36186928445170.

It is an arithmetic number, because the mean of its divisors is an integer number (36186928445170).

Almost surely, 2^{72373856890339} is an apocalyptic number.

72373856890339 is a deficient number, since it is larger than the sum of its proper divisors (1).

72373856890339 is an equidigital number, since it uses as much as digits as its factorization.

72373856890339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1234517760, while the sum is 73.

The spelling of 72373856890339 in words is "seventy-two trillion, three hundred seventy-three billion, eight hundred fifty-six million, eight hundred ninety thousand, three hundred thirty-nine".