34939747 has 4 divisors (see below), whose sum is σ = 34973680. Its totient is φ = 34905816.

The previous prime is 34939721. The next prime is 34939757. The reversal of 34939747 is 74793943.

It is a happy number.

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 34939747 - 2²³ = 26551139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34939697 and 34939706.

It is not an unprimeable number, because it can be changed into a prime (34939757) 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, 15372 + ... + 17497.

It is an arithmetic number, because the mean of its divisors is an integer number (8743420).

Almost surely, 2^34939747 is an apocalyptic number.

34939747 is a deficient number, since it is larger than the sum of its proper divisors (33933).

34939747 is a wasteful number, since it uses less digits than its factorization.

34939747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33932.

The product of its digits is 571536, while the sum is 46.

The square root of 34939747 is about 5910.9852816599. The cubic root of 34939747 is about 326.9188169566.

The spelling of 34939747 in words is "thirty-four million, nine hundred thirty-nine thousand, seven hundred forty-seven".