434721742 has 48 divisors (see below), whose sum is σ = 833144832. Its totient is φ = 166402080.

The previous prime is 434721737. The next prime is 434721751. The reversal of 434721742 is 247127434.

It is a junction number, because it is equal to n+sod(n) for n = 434721698 and 434721707.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 70383 + ... + 76309.

It is an arithmetic number, because the mean of its divisors is an integer number (17357184).

Almost surely, 2^434721742 is an apocalyptic number.

434721742 is a deficient number, since it is larger than the sum of its proper divisors (398423090).

434721742 is a wasteful number, since it uses less digits than its factorization.

434721742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993 (or 5980 counting only the distinct ones).

The product of its digits is 37632, while the sum is 34.

The square root of 434721742 is about 20849.9818225340. The cubic root of 434721742 is about 757.5368908101.

The spelling of 434721742 in words is "four hundred thirty-four million, seven hundred twenty-one thousand, seven hundred forty-two".