434743642 has 4 divisors (see below), whose sum is σ = 652115466. Its totient is φ = 217371820.

The previous prime is 434743619. The next prime is 434743663. The reversal of 434743642 is 246347434.

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

It can be written as a sum of positive squares in only one way, i.e., 315737361 + 119006281 = 17769^2 + 10909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108685909 + ... + 108685912.

Almost surely, 2^434743642 is an apocalyptic number.

434743642 is a deficient number, since it is larger than the sum of its proper divisors (217371824).

434743642 is a wasteful number, since it uses less digits than its factorization.

434743642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217371823.

The product of its digits is 193536, while the sum is 37.

The square root of 434743642 is about 20850.5069962339. The cubic root of 434743642 is about 757.5496114217.

The spelling of 434743642 in words is "four hundred thirty-four million, seven hundred forty-three thousand, six hundred forty-two".