442693670 has 32 divisors (see below), whose sum is σ = 803649600. Its totient is φ = 175574656.

The previous prime is 442693663. The next prime is 442693703. The reversal of 442693670 is 76396244.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137836 + ... + 1138224.

It is an arithmetic number, because the mean of its divisors is an integer number (25114050).

Almost surely, 2^442693670 is an apocalyptic number.

442693670 is a deficient number, since it is larger than the sum of its proper divisors (360955930).

442693670 is a wasteful number, since it uses less digits than its factorization.

442693670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 442693670 is about 21040.2868326456. The cubic root of 442693670 is about 762.1394414641.

The spelling of 442693670 in words is "four hundred forty-two million, six hundred ninety-three thousand, six hundred seventy".