672741572 has 18 divisors (see below), whose sum is σ = 1181338158. Its totient is φ = 335219872.

The previous prime is 672741539. The next prime is 672741577. The reversal of 672741572 is 275147276.

It can be written as a sum of positive squares in only one way, i.e., 660181636 + 12559936 = 25694^2 + 3544^2 .

It is not an unprimeable number, because it can be changed into a prime (672741577) 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 5 ways as a sum of consecutive naturals, for example, 784568 + ... + 785424.

Almost surely, 2^672741572 is an apocalyptic number.

It is an amenable number.

672741572 is a deficient number, since it is larger than the sum of its proper divisors (508596586).

672741572 is an equidigital number, since it uses as much as digits as its factorization.

672741572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1302 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 672741572 is about 25937.2622302355. The cubic root of 672741572 is about 876.2259048471.

The spelling of 672741572 in words is "six hundred seventy-two million, seven hundred forty-one thousand, five hundred seventy-two".