172051000 has 64 divisors (see below), whose sum is σ = 439227360. Its totient is φ = 62560000.

The previous prime is 172050979. The next prime is 172051007. The reversal of 172051000 is 150271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172051007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3180 + ... + 18820.

Almost surely, 2^172051000 is an apocalyptic number.

172051000 is a gapful number since it is divisible by the number (10) 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 172051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219613680).

172051000 is an abundant number, since it is smaller than the sum of its proper divisors (267176360).

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

172051000 is a wasteful number, since it uses less digits than its factorization.

172051000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673 (or 15659 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 172051000 is about 13116.8212612660. The cubic root of 172051000 is about 556.1847375354.

The spelling of 172051000 in words is "one hundred seventy-two million, fifty-one thousand".