426752173 has 4 divisors (see below), whose sum is σ = 451855260. Its totient is φ = 401649088.

The previous prime is 426752153. The next prime is 426752177. The reversal of 426752173 is 371257624.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123365449 + 303386724 = 11107^2 + 17418^2 .

It is a cyclic number.

It is not a de Polignac number, because 426752173 - 2¹³ = 426743981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426752177) 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, 12551518 + ... + 12551551.

It is an arithmetic number, because the mean of its divisors is an integer number (112963815).

Almost surely, 2^426752173 is an apocalyptic number.

It is an amenable number.

426752173 is a deficient number, since it is larger than the sum of its proper divisors (25103087).

426752173 is a wasteful number, since it uses less digits than its factorization.

426752173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25103086.

The product of its digits is 70560, while the sum is 37.

The square root of 426752173 is about 20657.9808548658. The cubic root of 426752173 is about 752.8791100834.

The spelling of 426752173 in words is "four hundred twenty-six million, seven hundred fifty-two thousand, one hundred seventy-three".