74683597831 has 2 divisors, whose sum is σ = 74683597832. Its totient is φ = 74683597830.

The previous prime is 74683597823. The next prime is 74683597841. The reversal of 74683597831 is 13879538647.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74683597831 - 2³ = 74683597823 is a prime.

It is a super-2 number, since 2×74683597831² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74683597831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74683597801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37341798915 + 37341798916.

It is an arithmetic number, because the mean of its divisors is an integer number (37341798916).

Almost surely, 2^74683597831 is an apocalyptic number.

74683597831 is a deficient number, since it is larger than the sum of its proper divisors (1).

74683597831 is an equidigital number, since it uses as much as digits as its factorization.

74683597831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 61.

The spelling of 74683597831 in words is "seventy-four billion, six hundred eighty-three million, five hundred ninety-seven thousand, eight hundred thirty-one".