74454131836 has 12 divisors (see below), whose sum is σ = 148908263728. Its totient is φ = 31908913632.

The previous prime is 74454131809. The next prime is 74454131863. The reversal of 74454131836 is 63813145447.

It is an interprime number because it is at equal distance from previous prime (74454131809) and next prime (74454131863).

74454131836 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329538041 + ... + 1329538096.

Almost surely, 2^74454131836 is an apocalyptic number.

It is an amenable number.

74454131836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74454131836 is a wasteful number, since it uses less digits than its factorization.

74454131836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659076148 (or 2659076146 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 74454131836 in words is "seventy-four billion, four hundred fifty-four million, one hundred thirty-one thousand, eight hundred thirty-six".