426624473 has 4 divisors (see below), whose sum is σ = 465408528. Its totient is φ = 387840420.

The previous prime is 426624433. The next prime is 426624479. The reversal of 426624473 is 374426624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 426624473 - 2⁶ = 426624409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426624479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19392011 + ... + 19392032.

It is an arithmetic number, because the mean of its divisors is an integer number (116352132).

Almost surely, 2^426624473 is an apocalyptic number.

It is an amenable number.

426624473 is a deficient number, since it is larger than the sum of its proper divisors (38784055).

426624473 is a wasteful number, since it uses less digits than its factorization.

426624473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38784054.

The product of its digits is 193536, while the sum is 38.

The square root of 426624473 is about 20654.8898084691. The cubic root of 426624473 is about 752.8040061864.

The spelling of 426624473 in words is "four hundred twenty-six million, six hundred twenty-four thousand, four hundred seventy-three".