426973057 has 8 divisors (see below), whose sum is σ = 499871232. Its totient is φ = 357050400.

The previous prime is 426973049. The next prime is 426973087. The reversal of 426973057 is 750379624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426973057 - 2³ = 426973049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426973087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743569 + ... + 744142.

It is an arithmetic number, because the mean of its divisors is an integer number (62483904).

Almost surely, 2^426973057 is an apocalyptic number.

It is an amenable number.

426973057 is a deficient number, since it is larger than the sum of its proper divisors (72898175).

426973057 is a wasteful number, since it uses less digits than its factorization.

426973057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487759.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 426973057 is about 20663.3263779092. The cubic root of 426973057 is about 753.0089827015.

It can be divided in two parts, 42697 and 3057, that added together give a palindrome (45754).

The spelling of 426973057 in words is "four hundred twenty-six million, nine hundred seventy-three thousand, fifty-seven".