427202506 has 32 divisors (see below), whose sum is σ = 706387968. Its totient is φ = 193097520.

The previous prime is 427202449. The next prime is 427202521. The reversal of 427202506 is 605202724.

It is a super-2 number, since 2×427202506² = 365003962265360072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57835 + ... + 64801.

It is an arithmetic number, because the mean of its divisors is an integer number (22074624).

Almost surely, 2^427202506 is an apocalyptic number.

427202506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

427202506 is a deficient number, since it is larger than the sum of its proper divisors (279185462).

427202506 is a wasteful number, since it uses less digits than its factorization.

427202506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 427202506 is about 20668.8777150575. The cubic root of 427202506 is about 753.1438438402.

The spelling of 427202506 in words is "four hundred twenty-seven million, two hundred two thousand, five hundred six".