172433085 has 64 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 80192000.

The previous prime is 172433071. The next prime is 172433099. The reversal of 172433085 is 580334271.

It is an interprime number because it is at equal distance from previous prime (172433071) and next prime (172433099).

It is not a de Polignac number, because 172433085 - 2⁴ = 172433069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 480136 + ... + 480494.

It is an arithmetic number, because the mean of its divisors is an integer number (4898880).

Almost surely, 2^172433085 is an apocalyptic number.

172433085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172433085 is a deficient number, since it is larger than the sum of its proper divisors (141095235).

172433085 is a wasteful number, since it uses less digits than its factorization.

172433085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 172433085 is about 13131.3778789585. The cubic root of 172433085 is about 556.5961518403.

The spelling of 172433085 in words is "one hundred seventy-two million, four hundred thirty-three thousand, eighty-five".