172713648 has 160 divisors (see below), whose sum is σ = 499968000. Its totient is φ = 51148800.

The previous prime is 172713613. The next prime is 172713683. The reversal of 172713648 is 846317271.

It is an interprime number because it is at equal distance from previous prime (172713613) and next prime (172713683).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159078 + ... + 1159226.

It is an arithmetic number, because the mean of its divisors is an integer number (3124800).

Almost surely, 2^172713648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172713648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249984000).

172713648 is an abundant number, since it is smaller than the sum of its proper divisors (327254352).

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

172713648 is a wasteful number, since it uses less digits than its factorization.

172713648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 245 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 172713648 is about 13142.0564600826. The cubic root of 172713648 is about 556.8978643710.

The spelling of 172713648 in words is "one hundred seventy-two million, seven hundred thirteen thousand, six hundred forty-eight".