172653012 has 192 divisors, whose sum is σ = 541900800. Its totient is φ = 46500480.

The previous prime is 172653007. The next prime is 172653053. The reversal of 172653012 is 210356271.

It is a happy number.

172653012 is a `hidden beast` number, since 1 + 7 + 2 + 653 + 0 + 1 + 2 = 666.

172653012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1242039 + ... + 1242177.

It is an arithmetic number, because the mean of its divisors is an integer number (2822400).

Almost surely, 2^172653012 is an apocalyptic number.

172653012 is a gapful number since it is divisible by the number (12) 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 172653012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270950400).

172653012 is an abundant number, since it is smaller than the sum of its proper divisors (369247788).

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

172653012 is a wasteful number, since it uses less digits than its factorization.

172653012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 172653012 is about 13139.7493126772. The cubic root of 172653012 is about 556.8326851725.

The spelling of 172653012 in words is "one hundred seventy-two million, six hundred fifty-three thousand, twelve".