74373795243 has 28 divisors (see below), whose sum is σ = 121646938968. Its totient is φ = 45075022560.

The previous prime is 74373795217. The next prime is 74373795289. The reversal of 74373795243 is 34259737347.

74373795243 is a `hidden beast` number, since 7 + 43 + 7 + 3 + 79 + 524 + 3 = 666.

It is not a de Polignac number, because 74373795243 - 2²⁶ = 74306686379 is a prime.

It is a super-2 number, since 2×74373795243² (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 74373795243.

It is not an unprimeable number, because it can be changed into a prime (74373795443) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4629330 + ... + 4645367.

Almost surely, 2^74373795243 is an apocalyptic number.

74373795243 is a deficient number, since it is larger than the sum of its proper divisors (47273143725).

74373795243 is an equidigital number, since it uses as much as digits as its factorization.

74373795243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274726 (or 9274711 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 54.

The spelling of 74373795243 in words is "seventy-four billion, three hundred seventy-three million, seven hundred ninety-five thousand, two hundred forty-three".