421572976 has 40 divisors (see below), whose sum is σ = 893228544. Its totient is φ = 191156160.

The previous prime is 421572959. The next prime is 421572979. The reversal of 421572976 is 679275124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421572979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75265 + ... + 80671.

Almost surely, 2^421572976 is an apocalyptic number.

It is an amenable number.

421572976 is an abundant number, since it is smaller than the sum of its proper divisors (471655568).

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

421572976 is a wasteful number, since it uses less digits than its factorization.

421572976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869 (or 5863 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 421572976 is about 20532.2423519693. The cubic root of 421572976 is about 749.8209800874.

The spelling of 421572976 in words is "four hundred twenty-one million, five hundred seventy-two thousand, nine hundred seventy-six".