421754733774 has 48 divisors (see below), whose sum is σ = 1040217220224. Its totient is φ = 122247747600.

The previous prime is 421754733761. The next prime is 421754733817. The reversal of 421754733774 is 477337457124.

421754733774 is a `hidden beast` number, since 4 + 2 + 1 + 75 + 473 + 37 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 421754733774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46301412 + ... + 46310519.

It is an arithmetic number, because the mean of its divisors is an integer number (21671192088).

Almost surely, 2^421754733774 is an apocalyptic number.

421754733774 is an abundant number, since it is smaller than the sum of its proper divisors (618462486450).

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

421754733774 is a wasteful number, since it uses less digits than its factorization.

421754733774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92611973 (or 92611970 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 54.

The spelling of 421754733774 in words is "four hundred twenty-one billion, seven hundred fifty-four million, seven hundred thirty-three thousand, seven hundred seventy-four".