642304035 has 48 divisors (see below), whose sum is σ = 1188944640. Its totient is φ = 320060160.

The previous prime is 642304007. The next prime is 642304037. The reversal of 642304035 is 530403246.

It is not a de Polignac number, because 642304035 - 2⁶ = 642303971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (642304037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32517 + ... + 48393.

It is an arithmetic number, because the mean of its divisors is an integer number (24769680).

Almost surely, 2^642304035 is an apocalyptic number.

642304035 is a deficient number, since it is larger than the sum of its proper divisors (546640605).

642304035 is a wasteful number, since it uses less digits than its factorization.

642304035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948 (or 15945 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 642304035 is about 25343.7178606455. The cubic root of 642304035 is about 862.8067818574.

It can be divided in two parts, 64230 and 4035, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 642304035 in words is "six hundred forty-two million, three hundred four thousand, thirty-five".