172733265 has 24 divisors (see below), whose sum is σ = 299812968. Its totient is φ = 91998720.

The previous prime is 172733227. The next prime is 172733291. The reversal of 172733265 is 562337271.

172733265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 43046721 + 129686544 = 6561^2 + 11388^2 .

It is not a de Polignac number, because 172733265 - 2¹⁷ = 172602193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37467 + ... + 41823.

It is an arithmetic number, because the mean of its divisors is an integer number (12492207).

Almost surely, 2^172733265 is an apocalyptic number.

172733265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172733265 is a deficient number, since it is larger than the sum of its proper divisors (127079703).

172733265 is a wasteful number, since it uses less digits than its factorization.

172733265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249 (or 5246 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 172733265 is about 13142.8027832727. The cubic root of 172733265 is about 556.9189479235.

The spelling of 172733265 in words is "one hundred seventy-two million, seven hundred thirty-three thousand, two hundred sixty-five".