1442339673 has 8 divisors (see below), whose sum is σ = 1929684288. Its totient is φ = 958277424.

The previous prime is 1442339659. The next prime is 1442339711. The reversal of 1442339673 is 3769332441.

It is a happy number.

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

It is not a de Polignac number, because 1442339673 - 2⁵ = 1442339641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442331673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819565 + ... + 821322.

It is an arithmetic number, because the mean of its divisors is an integer number (241210536).

Almost surely, 2^1442339673 is an apocalyptic number.

It is an amenable number.

1442339673 is a deficient number, since it is larger than the sum of its proper divisors (487344615).

1442339673 is a wasteful number, since it uses less digits than its factorization.

1442339673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641183.

The product of its digits is 326592, while the sum is 42.

The square root of 1442339673 is about 37978.1473086827. The cubic root of 1442339673 is about 1129.8544916667.

The spelling of 1442339673 in words is "one billion, four hundred forty-two million, three hundred thirty-nine thousand, six hundred seventy-three".