172674216 has 192 divisors, whose sum is σ = 568189440. Its totient is φ = 46656000.

The previous prime is 172674211. The next prime is 172674239. The reversal of 172674216 is 612476271.

172674216 is a `hidden beast` number, since 172 + 67 + 421 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (172674211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318906 + ... + 319446.

It is an arithmetic number, because the mean of its divisors is an integer number (2959320).

Almost surely, 2^172674216 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 172674216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284094720).

172674216 is an abundant number, since it is smaller than the sum of its proper divisors (395515224).

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

172674216 is a wasteful number, since it uses less digits than its factorization.

172674216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 601 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 172674216 is about 13140.5561526139. The cubic root of 172674216 is about 556.8554796333.

The spelling of 172674216 in words is "one hundred seventy-two million, six hundred seventy-four thousand, two hundred sixteen".