672574132 has 6 divisors (see below), whose sum is σ = 1177004738. Its totient is φ = 336287064.

The previous prime is 672574129. The next prime is 672574139. The reversal of 672574132 is 231475276.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 669567376 + 3006756 = 25876^2 + 1734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 672574091 and 672574100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672574139) 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 as a sum of consecutive naturals, namely, 84071763 + ... + 84071770.

Almost surely, 2^672574132 is an apocalyptic number.

It is an amenable number.

672574132 is a deficient number, since it is larger than the sum of its proper divisors (504430606).

672574132 is a wasteful number, since it uses less digits than its factorization.

672574132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168143537 (or 168143535 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 672574132 is about 25934.0342407424. The cubic root of 672574132 is about 876.1532036071.

The spelling of 672574132 in words is "six hundred seventy-two million, five hundred seventy-four thousand, one hundred thirty-two".