672795626 has 4 divisors (see below), whose sum is σ = 1009193442. Its totient is φ = 336397812.

The previous prime is 672795611. The next prime is 672795637. The reversal of 672795626 is 626597276.

It is a happy number.

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., 526748401 + 146047225 = 22951^2 + 12085^2 .

It is an unprimeable number.

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, 168198905 + ... + 168198908.

Almost surely, 2^672795626 is an apocalyptic number.

672795626 is a deficient number, since it is larger than the sum of its proper divisors (336397816).

672795626 is a wasteful number, since it uses less digits than its factorization.

672795626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336397815.

The product of its digits is 1905120, while the sum is 50.

The square root of 672795626 is about 25938.3042236766. The cubic root of 672795626 is about 876.2493721281.

The spelling of 672795626 in words is "six hundred seventy-two million, seven hundred ninety-five thousand, six hundred twenty-six".