420050007 has 72 divisors (see below), whose sum is σ = 693716400. Its totient is φ = 244468224.

The previous prime is 420050003. The next prime is 420050047. The reversal of 420050007 is 700050024.

It is a happy number.

It is not a de Polignac number, because 420050007 - 2² = 420050003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420050003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3925648 + ... + 3925754.

It is an arithmetic number, because the mean of its divisors is an integer number (9634950).

Almost surely, 2^420050007 is an apocalyptic number.

420050007 is a deficient number, since it is larger than the sum of its proper divisors (273666393).

420050007 is a wasteful number, since it uses less digits than its factorization.

420050007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 420050007 is about 20495.1215414791. The cubic root of 420050007 is about 748.9169594504.

The spelling of 420050007 in words is "four hundred twenty million, fifty thousand, seven".