421376472 has 64 divisors (see below), whose sum is σ = 1276905600. Its totient is φ = 127689120.

The previous prime is 421376443. The next prime is 421376477. The reversal of 421376472 is 274673124.

421376472 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 7 + 647 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421376477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86298 + ... + 91049.

It is an arithmetic number, because the mean of its divisors is an integer number (19951650).

Almost surely, 2^421376472 is an apocalyptic number.

It is an amenable number.

421376472 is an abundant number, since it is smaller than the sum of its proper divisors (855529128).

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

421376472 is a wasteful number, since it uses less digits than its factorization.

421376472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177373 (or 177363 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 421376472 is about 20527.4565399613. The cubic root of 421376472 is about 749.7044595564.

The spelling of 421376472 in words is "four hundred twenty-one million, three hundred seventy-six thousand, four hundred seventy-two".