172230716 has 24 divisors (see below), whose sum is σ = 359439360. Its totient is φ = 70603632.

The previous prime is 172230697. The next prime is 172230733. The reversal of 172230716 is 617032271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133076 + ... + 134363.

It is an arithmetic number, because the mean of its divisors is an integer number (14976640).

Almost surely, 2^172230716 is an apocalyptic number.

It is an amenable number.

172230716 is an abundant number, since it is smaller than the sum of its proper divisors (187208644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172230716 is a wasteful number, since it uses less digits than its factorization.

172230716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267473 (or 267471 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 172230716 is about 13123.6700659533. The cubic root of 172230716 is about 556.3783245410.

Adding to 172230716 its reverse (617032271), we get a palindrome (789262987).

The spelling of 172230716 in words is "one hundred seventy-two million, two hundred thirty thousand, seven hundred sixteen".