172339076 has 72 divisors (see below), whose sum is σ = 380741760. Its totient is φ = 67652928.

The previous prime is 172339067. The next prime is 172339087. The reversal of 172339076 is 670933271.

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 23 ways as a sum of consecutive naturals, for example, 608831 + ... + 609113.

It is an arithmetic number, because the mean of its divisors is an integer number (5288080).

Almost surely, 2^172339076 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 172339076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190370880).

172339076 is an abundant number, since it is smaller than the sum of its proper divisors (208402684).

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

172339076 is a wasteful number, since it uses less digits than its factorization.

172339076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 172339076 is about 13127.7978351283. The cubic root of 172339076 is about 556.4949830119.

The spelling of 172339076 in words is "one hundred seventy-two million, three hundred thirty-nine thousand, seventy-six".