172093764 has 12 divisors (see below), whose sum is σ = 401552144. Its totient is φ = 57364584.

The previous prime is 172093717. The next prime is 172093781. The reversal of 172093764 is 467390271.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7170562 + ... + 7170585.

Almost surely, 2^172093764 is an apocalyptic number.

It is an amenable number.

172093764 is an abundant number, since it is smaller than the sum of its proper divisors (229458380).

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

172093764 is a wasteful number, since it uses less digits than its factorization.

172093764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341154 (or 14341152 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 172093764 is about 13118.4512805438. The cubic root of 172093764 is about 556.2308144037.

The spelling of 172093764 in words is "one hundred seventy-two million, ninety-three thousand, seven hundred sixty-four".