672710505 has 32 divisors (see below), whose sum is σ = 1117929600. Its totient is φ = 345134592.

The previous prime is 672710473. The next prime is 672710513. The reversal of 672710505 is 505017276.

672710505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672710505 - 2⁵ = 672710473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42586 + ... + 56204.

It is an arithmetic number, because the mean of its divisors is an integer number (34935300).

Almost surely, 2^672710505 is an apocalyptic number.

It is an amenable number.

672710505 is a deficient number, since it is larger than the sum of its proper divisors (445219095).

672710505 is a wasteful number, since it uses less digits than its factorization.

672710505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13753.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 672710505 is about 25936.6633359035. The cubic root of 672710505 is about 876.2124166913.

The spelling of 672710505 in words is "six hundred seventy-two million, seven hundred ten thousand, five hundred five".