34172087 has 4 divisors (see below), whose sum is σ = 34653456. Its totient is φ = 33690720.

The previous prime is 34172071. The next prime is 34172119. The reversal of 34172087 is 78027143.

It is a happy number.

34172087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78027143 = 2719 ⋅28697.

It is a cyclic number.

It is not a de Polignac number, because 34172087 - 2⁴ = 34172071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34172027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 240578 + ... + 240719.

It is an arithmetic number, because the mean of its divisors is an integer number (8663364).

Almost surely, 2^34172087 is an apocalyptic number.

34172087 is a deficient number, since it is larger than the sum of its proper divisors (481369).

34172087 is an equidigital number, since it uses as much as digits as its factorization.

34172087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481368.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 34172087 is about 5845.6896085920. The cubic root of 34172087 is about 324.5068243892.

The spelling of 34172087 in words is "thirty-four million, one hundred seventy-two thousand, eighty-seven".