442954730 has 8 divisors (see below), whose sum is σ = 797318532. Its totient is φ = 177181888.

The previous prime is 442954727. The next prime is 442954747. The reversal of 442954730 is 37459244.

It can be written as a sum of positive squares in 2 ways, for example, as 360126529 + 82828201 = 18977^2 + 9101^2 .

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

It is a Curzon 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, 22147727 + ... + 22147746.

Almost surely, 2^442954730 is an apocalyptic number.

442954730 is a deficient number, since it is larger than the sum of its proper divisors (354363802).

442954730 is a wasteful number, since it uses less digits than its factorization.

442954730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44295480.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 442954730 is about 21046.4897310692. The cubic root of 442954730 is about 762.2892252677.

The spelling of 442954730 in words is "four hundred forty-two million, nine hundred fifty-four thousand, seven hundred thirty".