642382006 has 8 divisors (see below), whose sum is σ = 1101226320. Its totient is φ = 275306568.

The previous prime is 642381991. The next prime is 642382021. The reversal of 642382006 is 600283246.

It is an interprime number because it is at equal distance from previous prime (642381991) and next prime (642382021).

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

It is a congruent number.

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, 22942201 + ... + 22942228.

It is an arithmetic number, because the mean of its divisors is an integer number (137653290).

Almost surely, 2^642382006 is an apocalyptic number.

642382006 is a deficient number, since it is larger than the sum of its proper divisors (458844314).

642382006 is a wasteful number, since it uses less digits than its factorization.

642382006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45884438.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 642382006 is about 25345.2560847193. The cubic root of 642382006 is about 862.8416932503.

The spelling of 642382006 in words is "six hundred forty-two million, three hundred eighty-two thousand, six".