672772626 has 12 divisors (see below), whose sum is σ = 1457674062. Its totient is φ = 224257536.

The previous prime is 672772553. The next prime is 672772631. The reversal of 672772626 is 626277276.

It can be written as a sum of positive squares in only one way, i.e., 402203025 + 270569601 = 20055^2 + 16449^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 18688111 + ... + 18688146.

Almost surely, 2^672772626 is an apocalyptic number.

672772626 is an abundant number, since it is smaller than the sum of its proper divisors (784901436).

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

672772626 is a wasteful number, since it uses less digits than its factorization.

672772626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37376265 (or 37376262 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 672772626 is about 25937.8608601403. The cubic root of 672772626 is about 876.2393869437.

The spelling of 672772626 in words is "six hundred seventy-two million, seven hundred seventy-two thousand, six hundred twenty-six".