426375047 has 4 divisors (see below), whose sum is σ = 487285776. Its totient is φ = 365464320.

The previous prime is 426375007. The next prime is 426375073. The reversal of 426375047 is 740573624.

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 426375047 - 2¹⁶ = 426309511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426375047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426375007) 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, 30455354 + ... + 30455367.

It is an arithmetic number, because the mean of its divisors is an integer number (121821444).

Almost surely, 2^426375047 is an apocalyptic number.

426375047 is a deficient number, since it is larger than the sum of its proper divisors (60910729).

426375047 is an equidigital number, since it uses as much as digits as its factorization.

426375047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60910728.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 426375047 is about 20648.8509849822. The cubic root of 426375047 is about 752.6572686308.

The spelling of 426375047 in words is "four hundred twenty-six million, three hundred seventy-five thousand, forty-seven".