172670012 has 12 divisors (see below), whose sum is σ = 306428976. Its totient is φ = 85118880.

The previous prime is 172670011. The next prime is 172670027. The reversal of 172670012 is 210076271.

172670012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172670011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303713 + ... + 304280.

It is an arithmetic number, because the mean of its divisors is an integer number (25535748).

Almost surely, 2^172670012 is an apocalyptic number.

It is an amenable number.

172670012 is a deficient number, since it is larger than the sum of its proper divisors (133758964).

172670012 is a wasteful number, since it uses less digits than its factorization.

172670012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608068 (or 608066 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 172670012 is about 13140.3961888521. The cubic root of 172670012 is about 556.8509604498.

The spelling of 172670012 in words is "one hundred seventy-two million, six hundred seventy thousand, twelve".