426786670 has 16 divisors (see below), whose sum is σ = 768480048. Its totient is φ = 170656000.

The previous prime is 426786637. The next prime is 426786691. The reversal of 426786670 is 76687624.

It is a self number, because there is not a number n which added to its sum of digits gives 426786670.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34677 + ... + 45343.

It is an arithmetic number, because the mean of its divisors is an integer number (48030003).

Almost surely, 2^426786670 is an apocalyptic number.

426786670 is a deficient number, since it is larger than the sum of its proper divisors (341693378).

426786670 is a wasteful number, since it uses less digits than its factorization.

426786670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14675.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 426786670 is about 20658.8157937477. The cubic root of 426786670 is about 752.8993961515.

The spelling of 426786670 in words is "four hundred twenty-six million, seven hundred eighty-six thousand, six hundred seventy".