672147042 has 16 divisors (see below), whose sum is σ = 1536336192. Its totient is φ = 192042000.

The previous prime is 672147017. The next prime is 672147043. The reversal of 672147042 is 240741276.

It is a junction number, because it is equal to n+sod(n) for n = 672146994 and 672147012.

It is not an unprimeable number, because it can be changed into a prime (672147043) 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, 8001709 + ... + 8001792.

It is an arithmetic number, because the mean of its divisors is an integer number (96021012).

Almost surely, 2^672147042 is an apocalyptic number.

672147042 is an abundant number, since it is smaller than the sum of its proper divisors (864189150).

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

672147042 is a wasteful number, since it uses less digits than its factorization.

672147042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003513.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 672147042 is about 25925.7987726512. The cubic root of 672147042 is about 875.9677095539.

The spelling of 672147042 in words is "six hundred seventy-two million, one hundred forty-seven thousand, forty-two".