420372275 has 6 divisors (see below), whose sum is σ = 521261652. Its totient is φ = 336297800.

The previous prime is 420372269. The next prime is 420372299. The reversal of 420372275 is 572273024.

It is not a de Polignac number, because 420372275 - 2⁴ = 420372259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8407421 + ... + 8407470.

It is an arithmetic number, because the mean of its divisors is an integer number (86876942).

Almost surely, 2^420372275 is an apocalyptic number.

420372275 is a deficient number, since it is larger than the sum of its proper divisors (100889377).

420372275 is a wasteful number, since it uses less digits than its factorization.

420372275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16814901 (or 16814896 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 420372275 is about 20502.9821001726. The cubic root of 420372275 is about 749.1084368698.

The spelling of 420372275 in words is "four hundred twenty million, three hundred seventy-two thousand, two hundred seventy-five".