34007945 has 8 divisors (see below), whose sum is σ = 40841736. Its totient is φ = 27184896.

The previous prime is 34007893. The next prime is 34007947. The reversal of 34007945 is 54970043.

It can be written as a sum of positive squares in 4 ways, for example, as 10310521 + 23697424 = 3211^2 + 4868^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34007945 - 2¹⁶ = 33942409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34007947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8609 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (5105217).

Almost surely, 2^34007945 is an apocalyptic number.

It is an amenable number.

34007945 is a deficient number, since it is larger than the sum of its proper divisors (6833791).

34007945 is a wasteful number, since it uses less digits than its factorization.

34007945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 34007945 is about 5831.6331331798. The cubic root of 34007945 is about 323.9864121975.

Adding to 34007945 its reverse (54970043), we get a palindrome (88977988).

The spelling of 34007945 in words is "thirty-four million, seven thousand, nine hundred forty-five".