426743667 has 64 divisors (see below), whose sum is σ = 766566400. Its totient is φ = 229197600.

The previous prime is 426743657. The next prime is 426743689. The reversal of 426743667 is 766347624.

It is not a de Polignac number, because 426743667 - 2¹¹ = 426741619 is a prime.

It is a super-2 number, since 2×426743667² = 364220314649213778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426743627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 541848 + ... + 542634.

It is an arithmetic number, because the mean of its divisors is an integer number (11977600).

Almost surely, 2^426743667 is an apocalyptic number.

426743667 is a deficient number, since it is larger than the sum of its proper divisors (339822733).

426743667 is a wasteful number, since it uses less digits than its factorization.

426743667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 967 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The square root of 426743667 is about 20657.7749769911. The cubic root of 426743667 is about 752.8741079357.

The spelling of 426743667 in words is "four hundred twenty-six million, seven hundred forty-three thousand, six hundred sixty-seven".