672792192 has 96 divisors (see below), whose sum is σ = 1942894980. Its totient is φ = 223469568.

The previous prime is 672792181. The next prime is 672792193. The reversal of 672792192 is 291297276.

It can be written as a sum of positive squares in 2 ways, for example, as 658230336 + 14561856 = 25656^2 + 3816^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (672792193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387358 + ... + 389090.

Almost surely, 2^672792192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672792192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971447490).

672792192 is an abundant number, since it is smaller than the sum of its proper divisors (1270102788).

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

672792192 is a wasteful number, since it uses less digits than its factorization.

672792192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 2075 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 672792192 is about 25938.2380280543. The cubic root of 672792192 is about 876.2478813111.

The spelling of 672792192 in words is "six hundred seventy-two million, seven hundred ninety-two thousand, one hundred ninety-two".