172085002 has 16 divisors (see below), whose sum is σ = 265604040. Its totient is φ = 83559168.

The previous prime is 172084993. The next prime is 172085009. The reversal of 172085002 is 200580271.

It can be written as a sum of positive squares in 4 ways, for example, as 157728481 + 14356521 = 12559^2 + 3789^2 .

It is a super-2 number, since 2×172085002² = 59226495826680008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172085009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43774 + ... + 47542.

Almost surely, 2^172085002 is an apocalyptic number.

172085002 is a deficient number, since it is larger than the sum of its proper divisors (93519038).

172085002 is a wasteful number, since it uses less digits than its factorization.

172085002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 172085002 is about 13118.1173191888. The cubic root of 172085002 is about 556.2213742454.

The spelling of 172085002 in words is "one hundred seventy-two million, eighty-five thousand, two".