420703904 has 12 divisors (see below), whose sum is σ = 828260874. Its totient is φ = 210351936.

The previous prime is 420703837. The next prime is 420703931. The reversal of 420703904 is 409307024.

It can be written as a sum of positive squares in only one way, i.e., 318693904 + 102010000 = 17852^2 + 10100^2 .

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 as a sum of consecutive naturals, namely, 6573467 + ... + 6573530.

Almost surely, 2^420703904 is an apocalyptic number.

It is an amenable number.

420703904 is a deficient number, since it is larger than the sum of its proper divisors (407556970).

420703904 is a wasteful number, since it uses less digits than its factorization.

420703904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13147007 (or 13146999 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 420703904 is about 20511.0678415338. The cubic root of 420703904 is about 749.3053740435.

The spelling of 420703904 in words is "four hundred twenty million, seven hundred three thousand, nine hundred four".