34712387 has 4 divisors (see below), whose sum is σ = 35056176. Its totient is φ = 34368600.

The previous prime is 34712383. The next prime is 34712389. The reversal of 34712387 is 78321743.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34712387 - 2² = 34712383 is a prime.

It is a super-2 number, since 2×34712387² = 2409899622475538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34712383) 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 3 ways as a sum of consecutive naturals, for example, 171743 + ... + 171944.

It is an arithmetic number, because the mean of its divisors is an integer number (8764044).

Almost surely, 2^34712387 is an apocalyptic number.

34712387 is a deficient number, since it is larger than the sum of its proper divisors (343789).

34712387 is a wasteful number, since it uses less digits than its factorization.

34712387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343788.

The product of its digits is 28224, while the sum is 35.

The square root of 34712387 is about 5891.7219045030. The cubic root of 34712387 is about 326.2081643140.

The spelling of 34712387 in words is "thirty-four million, seven hundred twelve thousand, three hundred eighty-seven".