672542282 has 4 divisors (see below), whose sum is σ = 1008813426. Its totient is φ = 336271140.

The previous prime is 672542261. The next prime is 672542323. The reversal of 672542282 is 282245276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 634485721 + 38056561 = 25189^2 + 6169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168135569 + ... + 168135572.

Almost surely, 2^672542282 is an apocalyptic number.

672542282 is a deficient number, since it is larger than the sum of its proper divisors (336271144).

672542282 is a wasteful number, since it uses less digits than its factorization.

672542282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336271143.

The product of its digits is 107520, while the sum is 38.

The square root of 672542282 is about 25933.4201755187. The cubic root of 672542282 is about 876.1393732011.

The spelling of 672542282 in words is "six hundred seventy-two million, five hundred forty-two thousand, two hundred eighty-two".