672151226 has 8 divisors (see below), whose sum is σ = 1014649140. Its totient is φ = 333934848.

The previous prime is 672151211. The next prime is 672151231. The reversal of 672151226 is 622151276.

It can be written as a sum of positive squares in 2 ways, for example, as 671587225 + 564001 = 25915^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×672151226² = 903574541226606152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672151192 and 672151201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069991 + ... + 1070618.

Almost surely, 2^672151226 is an apocalyptic number.

672151226 is a deficient number, since it is larger than the sum of its proper divisors (342497914).

672151226 is a wasteful number, since it uses less digits than its factorization.

672151226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140768.

The product of its digits is 10080, while the sum is 32.

The square root of 672151226 is about 25925.8794643499. The cubic root of 672151226 is about 875.9695271330.

The spelling of 672151226 in words is "six hundred seventy-two million, one hundred fifty-one thousand, two hundred twenty-six".