34312378 has 8 divisors (see below), whose sum is σ = 52312500. Its totient is φ = 16874880.

The previous prime is 34312373. The next prime is 34312379. The reversal of 34312378 is 87321343.

It can be written as a sum of positive squares in 2 ways, for example, as 23203489 + 11108889 = 4817^2 + 3333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (34312373) 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, 140503 + ... + 140746.

Almost surely, 2^34312378 is an apocalyptic number.

34312378 is a deficient number, since it is larger than the sum of its proper divisors (18000122).

34312378 is a wasteful number, since it uses less digits than its factorization.

34312378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281312.

The product of its digits is 12096, while the sum is 31.

The square root of 34312378 is about 5857.6768432545. The cubic root of 34312378 is about 324.9502977249.

It can be divided in two parts, 343 and 12378, that added together give a palindrome (12721).

The spelling of 34312378 in words is "thirty-four million, three hundred twelve thousand, three hundred seventy-eight".