74361923951 has 16 divisors (see below), whose sum is σ = 85350620160. Its totient is φ = 63464897760.

The previous prime is 74361923929. The next prime is 74361924017. The reversal of 74361923951 is 15932916347.

It is a cyclic number.

It is not a de Polignac number, because 74361923951 - 2¹⁴ = 74361907567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74361923951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74361823951) 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 in 15 ways as a sum of consecutive naturals, for example, 3512540 + ... + 3533646.

It is an arithmetic number, because the mean of its divisors is an integer number (5334413760).

Almost surely, 2^74361923951 is an apocalyptic number.

74361923951 is a deficient number, since it is larger than the sum of its proper divisors (10988696209).

74361923951 is a wasteful number, since it uses less digits than its factorization.

74361923951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23254.

The product of its digits is 1224720, while the sum is 50.

The spelling of 74361923951 in words is "seventy-four billion, three hundred sixty-one million, nine hundred twenty-three thousand, nine hundred fifty-one".