672197032 has 32 divisors (see below), whose sum is σ = 1404131400. Its totient is φ = 299545344.

The previous prime is 672197023. The next prime is 672197033. The reversal of 672197032 is 230791276.

It can be written as a sum of positive squares in 4 ways, for example, as 614345796 + 57851236 = 24786^2 + 7606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 672196982 and 672197000.

It is not an unprimeable number, because it can be changed into a prime (672197033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108423 + ... + 114454.

Almost surely, 2^672197032 is an apocalyptic number.

It is an amenable number.

672197032 is an abundant number, since it is smaller than the sum of its proper divisors (731934368).

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

672197032 is a wasteful number, since it uses less digits than its factorization.

672197032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222925 (or 222921 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 672197032 is about 25926.7628523115. The cubic root of 672197032 is about 875.9894253083.

The spelling of 672197032 in words is "six hundred seventy-two million, one hundred ninety-seven thousand, thirty-two".