34945647 has 12 divisors (see below), whose sum is σ = 51215640. Its totient is φ = 21178960.

The previous prime is 34945643. The next prime is 34945657. The reversal of 34945647 is 74654943.

It is not a de Polignac number, because 34945647 - 2² = 34945643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34945599 and 34945608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34945643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47772 + ... + 48497.

It is an arithmetic number, because the mean of its divisors is an integer number (4267970).

Almost surely, 2^34945647 is an apocalyptic number.

34945647 is a deficient number, since it is larger than the sum of its proper divisors (16269993).

34945647 is a wasteful number, since it uses less digits than its factorization.

34945647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96294 (or 96283 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 34945647 is about 5911.4843313672. The cubic root of 34945647 is about 326.9372173233.

The spelling of 34945647 in words is "thirty-four million, nine hundred forty-five thousand, six hundred forty-seven".