420374072 has 16 divisors (see below), whose sum is σ = 792288240. Its totient is φ = 209097216.

The previous prime is 420374051. The next prime is 420374081. The reversal of 420374072 is 270473024.

It is a super-2 number, since 2×420374072² = 353428720819722368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134588 + ... + 137675.

It is an arithmetic number, because the mean of its divisors is an integer number (49518015).

Almost surely, 2^420374072 is an apocalyptic number.

It is an amenable number.

420374072 is a deficient number, since it is larger than the sum of its proper divisors (371914168).

420374072 is a wasteful number, since it uses less digits than its factorization.

420374072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272462 (or 272458 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 420374072 is about 20503.0259230193. The cubic root of 420374072 is about 749.1095042935.

The spelling of 420374072 in words is "four hundred twenty million, three hundred seventy-four thousand, seventy-two".