172533040 has 40 divisors (see below), whose sum is σ = 407139120. Its totient is φ = 67981056.

The previous prime is 172533037. The next prime is 172533041. The reversal of 172533040 is 40335271.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 172532996 and 172533014.

It is not an unprimeable number, because it can be changed into a prime (172533041) 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, 10735 + ... + 21454.

It is an arithmetic number, because the mean of its divisors is an integer number (10178478).

Almost surely, 2^172533040 is an apocalyptic number.

172533040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172533040 is an abundant number, since it is smaller than the sum of its proper divisors (234606080).

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

172533040 is a wasteful number, since it uses less digits than its factorization.

172533040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32269 (or 32263 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 172533040 is about 13135.1832876439. The cubic root of 172533040 is about 556.7036791976.

The spelling of 172533040 in words is "one hundred seventy-two million, five hundred thirty-three thousand, forty".