172370214 has 16 divisors (see below), whose sum is σ = 383045040. Its totient is φ = 57456720.

The previous prime is 172370213. The next prime is 172370221. The reversal of 172370214 is 412073271.

It is a happy number.

It is a super-2 number, since 2×172370214² = 59422981348811592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172370213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595967 + ... + 1596074.

It is an arithmetic number, because the mean of its divisors is an integer number (23940315).

Almost surely, 2^172370214 is an apocalyptic number.

172370214 is an abundant number, since it is smaller than the sum of its proper divisors (210674826).

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

172370214 is a wasteful number, since it uses less digits than its factorization.

172370214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192052 (or 3192046 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 172370214 is about 13128.9837382792. The cubic root of 172370214 is about 556.5284965900.

The spelling of 172370214 in words is "one hundred seventy-two million, three hundred seventy thousand, two hundred fourteen".