172540648 has 16 divisors (see below), whose sum is σ = 369730080. Its totient is φ = 73945968.

The previous prime is 172540601. The next prime is 172540703. The reversal of 172540648 is 846045271.

172540648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×172540648³ (a number of 26 digits) contains 333 as substring.

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, 1540486 + ... + 1540597.

It is an arithmetic number, because the mean of its divisors is an integer number (23108130).

Almost surely, 2^172540648 is an apocalyptic number.

It is an amenable number.

172540648 is an abundant number, since it is smaller than the sum of its proper divisors (197189432).

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

172540648 is a wasteful number, since it uses less digits than its factorization.

172540648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081096 (or 3081092 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 172540648 is about 13135.4728883280. The cubic root of 172540648 is about 556.7118618610.

The spelling of 172540648 in words is "one hundred seventy-two million, five hundred forty thousand, six hundred forty-eight".