172199630 has 32 divisors (see below), whose sum is σ = 328860000. Its totient is φ = 64696320.

The previous prime is 172199609. The next prime is 172199653. The reversal of 172199630 is 36991271.

It is a happy number.

172199630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137246 + ... + 138494.

It is an arithmetic number, because the mean of its divisors is an integer number (10276875).

Almost surely, 2^172199630 is an apocalyptic number.

172199630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172199630 is a deficient number, since it is larger than the sum of its proper divisors (156660370).

172199630 is a wasteful number, since it uses less digits than its factorization.

172199630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 172199630 is about 13122.4856639282. The cubic root of 172199630 is about 556.3448488682.

The spelling of 172199630 in words is "one hundred seventy-two million, one hundred ninety-nine thousand, six hundred thirty".