426718971 has 24 divisors (see below), whose sum is σ = 720811520. Its totient is φ = 238167216.

The previous prime is 426718961. The next prime is 426718987. The reversal of 426718971 is 179817624.

It is a happy number.

It is not a de Polignac number, because 426718971 - 2⁶ = 426718907 is a prime.

It is a super-2 number, since 2×426718971² = 364178160422597682, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426718961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76051 + ... + 81468.

Almost surely, 2^426718971 is an apocalyptic number.

426718971 is a deficient number, since it is larger than the sum of its proper divisors (294092549).

426718971 is a wasteful number, since it uses less digits than its factorization.

426718971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157575 (or 157572 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 426718971 is about 20657.1772272980. The cubic root of 426718971 is about 752.8595845117.

The spelling of 426718971 in words is "four hundred twenty-six million, seven hundred eighteen thousand, nine hundred seventy-one".