672716506 has 32 divisors (see below), whose sum is σ = 1259274240. Its totient is φ = 261846000.

The previous prime is 672716491. The next prime is 672716507. The reversal of 672716506 is 605617276.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (672716507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299335 + ... + 301573.

It is an arithmetic number, because the mean of its divisors is an integer number (39352320).

Almost surely, 2^672716506 is an apocalyptic number.

672716506 is a deficient number, since it is larger than the sum of its proper divisors (586557734).

672716506 is a wasteful number, since it uses less digits than its factorization.

672716506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 672716506 is about 25936.7790213049. The cubic root of 672716506 is about 876.2150221385.

The spelling of 672716506 in words is "six hundred seventy-two million, seven hundred sixteen thousand, five hundred six".