426129734 has 4 divisors (see below), whose sum is σ = 639194604. Its totient is φ = 213064866.

The previous prime is 426129733. The next prime is 426129761. The reversal of 426129734 is 437921624.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426129733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106532432 + ... + 106532435.

It is an arithmetic number, because the mean of its divisors is an integer number (159798651).

Almost surely, 2^426129734 is an apocalyptic number.

426129734 is a deficient number, since it is larger than the sum of its proper divisors (213064870).

426129734 is a wasteful number, since it uses less digits than its factorization.

426129734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213064869.

The product of its digits is 72576, while the sum is 38.

The square root of 426129734 is about 20642.9100177276. The cubic root of 426129734 is about 752.5128949274.

The spelling of 426129734 in words is "four hundred twenty-six million, one hundred twenty-nine thousand, seven hundred thirty-four".