172533740 has 24 divisors (see below), whose sum is σ = 371159712. Its totient is φ = 67329920.

The previous prime is 172533727. The next prime is 172533743. The reversal of 172533740 is 47335271.

172533740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172533697 and 172533706.

It is not an unprimeable number, because it can be changed into a prime (172533743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104384 + ... + 106023.

It is an arithmetic number, because the mean of its divisors is an integer number (15464988).

Almost surely, 2^172533740 is an apocalyptic number.

172533740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172533740 is an abundant number, since it is smaller than the sum of its proper divisors (198625972).

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

172533740 is a wasteful number, since it uses less digits than its factorization.

172533740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210457 (or 210455 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 172533740 is about 13135.2099336097. The cubic root of 172533740 is about 556.7044320815.

The spelling of 172533740 in words is "one hundred seventy-two million, five hundred thirty-three thousand, seven hundred forty".