672224571 has 6 divisors (see below), whose sum is σ = 970991060. Its totient is φ = 448149708.

The previous prime is 672224569. The next prime is 672224573. The reversal of 672224571 is 175422276.

It is a happy number.

672224571 is a `hidden beast` number, since 67 + 2 + 2 + 24 + 571 = 666.

It is an interprime number because it is at equal distance from previous prime (672224569) and next prime (672224573).

It is not a de Polignac number, because 672224571 - 2¹ = 672224569 is a prime.

It is a super-2 number, since 2×672224571² = 903771747712268082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672224573) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 37345801 + ... + 37345818.

Almost surely, 2^672224571 is an apocalyptic number.

672224571 is a deficient number, since it is larger than the sum of its proper divisors (298766489).

672224571 is a wasteful number, since it uses less digits than its factorization.

672224571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74691625 (or 74691622 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 672224571 is about 25927.2939390134. The cubic root of 672224571 is about 876.0013878442.

The spelling of 672224571 in words is "six hundred seventy-two million, two hundred twenty-four thousand, five hundred seventy-one".