172752069 has 32 divisors (see below), whose sum is σ = 269671680. Its totient is φ = 96325632.

The previous prime is 172752067. The next prime is 172752077. The reversal of 172752069 is 960257271.

It is not a de Polignac number, because 172752069 - 2¹ = 172752067 is a prime.

It is a super-2 number, since 2×172752069² = 59686554687561522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172752067) 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, 299109 + ... + 299685.

It is an arithmetic number, because the mean of its divisors is an integer number (8427240).

Almost surely, 2^172752069 is an apocalyptic number.

It is an amenable number.

172752069 is a deficient number, since it is larger than the sum of its proper divisors (96919611).

172752069 is a wasteful number, since it uses less digits than its factorization.

172752069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 172752069 is about 13143.5181363286. The cubic root of 172752069 is about 556.9391561984.

The spelling of 172752069 in words is "one hundred seventy-two million, seven hundred fifty-two thousand, sixty-nine".