442960729 has 4 divisors (see below), whose sum is σ = 443123584. Its totient is φ = 442797876.

The previous prime is 442960723. The next prime is 442960751. The reversal of 442960729 is 927069244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442960729 is a prime.

It is a super-2 number, since 2×442960729² = 392428414872422882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442960723) 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, 77277 + ... + 82810.

It is an arithmetic number, because the mean of its divisors is an integer number (110780896).

Almost surely, 2^442960729 is an apocalyptic number.

It is an amenable number.

442960729 is a deficient number, since it is larger than the sum of its proper divisors (162855).

442960729 is a wasteful number, since it uses less digits than its factorization.

442960729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162854.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 442960729 is about 21046.6322484145. The cubic root of 442960729 is about 762.2926665166.

The spelling of 442960729 in words is "four hundred forty-two million, nine hundred sixty thousand, seven hundred twenty-nine".