172039630 has 16 divisors (see below), whose sum is σ = 353910240. Its totient is φ = 58984992.

The previous prime is 172039627. The next prime is 172039631. The reversal of 172039630 is 36930271.

172039630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172039592 and 172039601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172039631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228785 + ... + 1228924.

It is an arithmetic number, because the mean of its divisors is an integer number (22119390).

Almost surely, 2^172039630 is an apocalyptic number.

172039630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172039630 is an abundant number, since it is smaller than the sum of its proper divisors (181870610).

172039630 is a wasteful number, since it uses less digits than its factorization.

172039630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457723.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 172039630 is about 13116.3878411703. The cubic root of 172039630 is about 556.1724854323.

The spelling of 172039630 in words is "one hundred seventy-two million, thirty-nine thousand, six hundred thirty".