172535090 has 32 divisors (see below), whose sum is σ = 382233600. Its totient is φ = 54604224.

The previous prime is 172535081. The next prime is 172535137. The reversal of 172535090 is 90535271.

172535090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93890 + ... + 95709.

It is an arithmetic number, because the mean of its divisors is an integer number (11944800).

Almost surely, 2^172535090 is an apocalyptic number.

172535090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172535090 is an abundant number, since it is smaller than the sum of its proper divisors (209698510).

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

172535090 is a wasteful number, since it uses less digits than its factorization.

172535090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189626.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 172535090 is about 13135.2613221055. The cubic root of 172535090 is about 556.7058840662.

The spelling of 172535090 in words is "one hundred seventy-two million, five hundred thirty-five thousand, ninety".