172030527 has 32 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 111829536.

The previous prime is 172030513. The next prime is 172030543. The reversal of 172030527 is 725030271.

It is not a de Polignac number, because 172030527 - 2⁷ = 172030399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 172030527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172030597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341758 + ... + 342260.

It is an arithmetic number, because the mean of its divisors is an integer number (8164800).

Almost surely, 2^172030527 is an apocalyptic number.

172030527 is a deficient number, since it is larger than the sum of its proper divisors (89243073).

172030527 is a wasteful number, since it uses less digits than its factorization.

172030527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 172030527 is about 13116.0408279328. The cubic root of 172030527 is about 556.1626758177.

Adding to 172030527 its reverse (725030271), we get a palindrome (897060798).

The spelling of 172030527 in words is "one hundred seventy-two million, thirty thousand, five hundred twenty-seven".