642606362 has 8 divisors (see below), whose sum is σ = 986326176. Its totient is φ = 313830972.

The previous prime is 642606359. The next prime is 642606383. The reversal of 642606362 is 263606246.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3735998 + ... + 3736169.

It is an arithmetic number, because the mean of its divisors is an integer number (123290772).

Almost surely, 2^642606362 is an apocalyptic number.

642606362 is a deficient number, since it is larger than the sum of its proper divisors (343719814).

642606362 is a wasteful number, since it uses less digits than its factorization.

642606362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7472212.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 642606362 is about 25349.6816942541. The cubic root of 642606362 is about 862.9421325407.

The spelling of 642606362 in words is "six hundred forty-two million, six hundred six thousand, three hundred sixty-two".