420765412 has 12 divisors (see below), whose sum is σ = 775094320. Its totient is φ = 199309896.

The previous prime is 420765377. The next prime is 420765413. The reversal of 420765412 is 214567024.

It is not an unprimeable number, because it can be changed into a prime (420765413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768118 + ... + 2768269.

Almost surely, 2^420765412 is an apocalyptic number.

It is an amenable number.

420765412 is a deficient number, since it is larger than the sum of its proper divisors (354328908).

420765412 is a wasteful number, since it uses less digits than its factorization.

420765412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536410 (or 5536408 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 420765412 is about 20512.5671723458. The cubic root of 420765412 is about 749.3418890593.

The spelling of 420765412 in words is "four hundred twenty million, seven hundred sixty-five thousand, four hundred twelve".