672124448 has 18 divisors (see below), whose sum is σ = 1323533799. Its totient is φ = 335988896.

The previous prime is 672124447. The next prime is 672124457. The reversal of 672124448 is 844421276.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 336062224 + 336062224 = 18332^2 + 18332^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=18332.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672124441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 144365 + ... + 148947.

Almost surely, 2^672124448 is an apocalyptic number.

It is an amenable number.

672124448 is a deficient number, since it is larger than the sum of its proper divisors (651409351).

672124448 is an frugal number, since it uses more digits than its factorization.

672124448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176 (or 4585 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 672124448 is about 25925.3630254236. The cubic root of 672124448 is about 875.9578943225.

The spelling of 672124448 in words is "six hundred seventy-two million, one hundred twenty-four thousand, four hundred forty-eight".