672702667 has 16 divisors (see below), whose sum is σ = 833515200. Its totient is φ = 528665472.

The previous prime is 672702623. The next prime is 672702671. The reversal of 672702667 is 766207276.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 672702667 - 2²³ = 664314059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672702607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11248 + ... + 38365.

It is an arithmetic number, because the mean of its divisors is an integer number (52094700).

Almost surely, 2^672702667 is an apocalyptic number.

672702667 is a deficient number, since it is larger than the sum of its proper divisors (160812533).

672702667 is a wasteful number, since it uses less digits than its factorization.

672702667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49782.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 672702667 is about 25936.5122366135. The cubic root of 672702667 is about 876.2090136527.

The spelling of 672702667 in words is "six hundred seventy-two million, seven hundred two thousand, six hundred sixty-seven".