635473642 has 8 divisors (see below), whose sum is σ = 962119296. Its totient is φ = 314767212.

The previous prime is 635473621. The next prime is 635473649. The reversal of 635473642 is 246374536.

635473642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 635473595 and 635473604.

It is not an unprimeable number, because it can be changed into a prime (635473649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484538 + ... + 1484965.

It is an arithmetic number, because the mean of its divisors is an integer number (120264912).

Almost surely, 2^635473642 is an apocalyptic number.

635473642 is a deficient number, since it is larger than the sum of its proper divisors (326645654).

635473642 is a wasteful number, since it uses less digits than its factorization.

635473642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969612.

The product of its digits is 362880, while the sum is 40.

The square root of 635473642 is about 25208.6025396094. The cubic root of 635473642 is about 859.7374545603.

The spelling of 635473642 in words is "six hundred thirty-five million, four hundred seventy-three thousand, six hundred forty-two".