172753240 has 64 divisors (see below), whose sum is σ = 426396960. Its totient is φ = 62469120.

The previous prime is 172753219. The next prime is 172753241. The reversal of 172753240 is 42357271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172753241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85684 + ... + 87676.

Almost surely, 2^172753240 is an apocalyptic number.

172753240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172753240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213198480).

172753240 is an abundant number, since it is smaller than the sum of its proper divisors (253643720).

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

172753240 is a wasteful number, since it uses less digits than its factorization.

172753240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 2208 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 172753240 is about 13143.5626829258. The cubic root of 172753240 is about 556.9404145997.

The spelling of 172753240 in words is "one hundred seventy-two million, seven hundred fifty-three thousand, two hundred forty".