434777642 has 16 divisors (see below), whose sum is σ = 707868672. Its totient is φ = 199085040.

The previous prime is 434777633. The next prime is 434777647. The reversal of 434777642 is 246777434.

It is a junction number, because it is equal to n+sod(n) for n = 434777593 and 434777602.

It is not an unprimeable number, because it can be changed into a prime (434777647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62534 + ... + 69137.

It is an arithmetic number, because the mean of its divisors is an integer number (44241792).

Almost surely, 2^434777642 is an apocalyptic number.

434777642 is a deficient number, since it is larger than the sum of its proper divisors (273091030).

434777642 is a wasteful number, since it uses less digits than its factorization.

434777642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131813.

The product of its digits is 790272, while the sum is 44.

The square root of 434777642 is about 20851.3223081895. The cubic root of 434777642 is about 757.5693594701.

The spelling of 434777642 in words is "four hundred thirty-four million, seven hundred seventy-seven thousand, six hundred forty-two".