172181034 has 24 divisors (see below), whose sum is σ = 373332960. Its totient is φ = 57351528.

The previous prime is 172181027. The next prime is 172181041. The reversal of 172181034 is 430181271.

It is an interprime number because it is at equal distance from previous prime (172181027) and next prime (172181041).

It is a junction number, because it is equal to n+sod(n) for n = 172180989 and 172181007.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30657 + ... + 35835.

It is an arithmetic number, because the mean of its divisors is an integer number (15555540).

Almost surely, 2^172181034 is an apocalyptic number.

172181034 is an abundant number, since it is smaller than the sum of its proper divisors (201151926).

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

172181034 is a wasteful number, since it uses less digits than its factorization.

172181034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034 (or 7031 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 172181034 is about 13121.7770900134. Note that the first 3 decimals coincide. The cubic root of 172181034 is about 556.3248214128.

The spelling of 172181034 in words is "one hundred seventy-two million, one hundred eighty-one thousand, thirty-four".