420073304 has 16 divisors (see below), whose sum is σ = 900157200. Its totient is φ = 180031392.

The previous prime is 420073289. The next prime is 420073327. The reversal of 420073304 is 403370024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 420073304.

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, 3750599 + ... + 3750710.

It is an arithmetic number, because the mean of its divisors is an integer number (56259825).

Almost surely, 2^420073304 is an apocalyptic number.

It is an amenable number.

420073304 is an abundant number, since it is smaller than the sum of its proper divisors (480083896).

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

420073304 is a wasteful number, since it uses less digits than its factorization.

420073304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501322 (or 7501318 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 420073304 is about 20495.6898883643. The cubic root of 420073304 is about 748.9308047827.

The spelling of 420073304 in words is "four hundred twenty million, seventy-three thousand, three hundred four".