172274064 has 80 divisors (see below), whose sum is σ = 473035200. Its totient is φ = 53872128.

The previous prime is 172274051. The next prime is 172274111. The reversal of 172274064 is 460472271.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98542 + ... + 100274.

It is an arithmetic number, because the mean of its divisors is an integer number (5912940).

Almost surely, 2^172274064 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 172274064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236517600).

172274064 is an abundant number, since it is smaller than the sum of its proper divisors (300761136).

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

172274064 is a wasteful number, since it uses less digits than its factorization.

172274064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 172274064 is about 13125.3214817771. The cubic root of 172274064 is about 556.4249981059.

The spelling of 172274064 in words is "one hundred seventy-two million, two hundred seventy-four thousand, sixty-four".