172461725 has 12 divisors (see below), whose sum is σ = 214048800. Its totient is φ = 137842800.

The previous prime is 172461721. The next prime is 172461749. The reversal of 172461725 is 527164271.

It is not a de Polignac number, because 172461725 - 2² = 172461721 is a prime.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172461721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32510 + ... + 37440.

It is an arithmetic number, because the mean of its divisors is an integer number (17837400).

Almost surely, 2^172461725 is an apocalyptic number.

It is an amenable number.

172461725 is a deficient number, since it is larger than the sum of its proper divisors (41587075).

172461725 is a wasteful number, since it uses less digits than its factorization.

172461725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340 (or 6335 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 172461725 is about 13132.4683513801. The cubic root of 172461725 is about 556.6269657863.

The spelling of 172461725 in words is "one hundred seventy-two million, four hundred sixty-one thousand, seven hundred twenty-five".