172630670 has 16 divisors (see below), whose sum is σ = 311417568. Its totient is φ = 68900640.

The previous prime is 172630657. The next prime is 172630673. The reversal of 172630670 is 76036271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172630673) 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 7 ways as a sum of consecutive naturals, for example, 14114 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (19463598).

Almost surely, 2^172630670 is an apocalyptic number.

172630670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172630670 is a deficient number, since it is larger than the sum of its proper divisors (138786898).

172630670 is a wasteful number, since it uses less digits than its factorization.

172630670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37915.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 172630670 is about 13138.8991167449. The cubic root of 172630670 is about 556.8086653338.

The spelling of 172630670 in words is "one hundred seventy-two million, six hundred thirty thousand, six hundred seventy".