672842442 has 16 divisors (see below), whose sum is σ = 1346792832. Its totient is φ = 224096160.

The previous prime is 672842441. The next prime is 672842479. The reversal of 672842442 is 244248276.

It is a self number, because there is not a number n which added to its sum of digits gives 672842442.

It is not an unprimeable number, because it can be changed into a prime (672842441) 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, 38163 + ... + 52934.

It is an arithmetic number, because the mean of its divisors is an integer number (84174552).

Almost surely, 2^672842442 is an apocalyptic number.

672842442 is an abundant number, since it is smaller than the sum of its proper divisors (673950390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672842442 is a wasteful number, since it uses less digits than its factorization.

672842442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92333.

The product of its digits is 172032, while the sum is 39.

The square root of 672842442 is about 25939.2066571050. The cubic root of 672842442 is about 876.2696960509.

The spelling of 672842442 in words is "six hundred seventy-two million, eight hundred forty-two thousand, four hundred forty-two".