426970427 has 4 divisors (see below), whose sum is σ = 459814320. Its totient is φ = 394126536.

The previous prime is 426970421. The next prime is 426970447. The reversal of 426970427 is 724079624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426970427 - 2²⁰ = 425921851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426970421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16421927 + ... + 16421952.

It is an arithmetic number, because the mean of its divisors is an integer number (114953580).

Almost surely, 2^426970427 is an apocalyptic number.

426970427 is a deficient number, since it is larger than the sum of its proper divisors (32843893).

426970427 is a wasteful number, since it uses less digits than its factorization.

426970427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32843892.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 426970427 is about 20663.2627384932. The cubic root of 426970427 is about 753.0074366104.

The spelling of 426970427 in words is "four hundred twenty-six million, nine hundred seventy thousand, four hundred twenty-seven".