34257945 has 16 divisors (see below), whose sum is σ = 56581632. Its totient is φ = 17681280.

The previous prime is 34257943. The next prime is 34257947. The reversal of 34257945 is 54975243.

It is an interprime number because it is at equal distance from previous prime (34257943) and next prime (34257947).

It is not a de Polignac number, because 34257945 - 2¹ = 34257943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34257943) 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 15 ways as a sum of consecutive naturals, for example, 36372 + ... + 37301.

It is an arithmetic number, because the mean of its divisors is an integer number (3536352).

Almost surely, 2^34257945 is an apocalyptic number.

It is an amenable number.

34257945 is a deficient number, since it is larger than the sum of its proper divisors (22323687).

34257945 is a wasteful number, since it uses less digits than its factorization.

34257945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73712.

The product of its digits is 151200, while the sum is 39.

The square root of 34257945 is about 5853.0287031587. The cubic root of 34257945 is about 324.7783735560.

The spelling of 34257945 in words is "thirty-four million, two hundred fifty-seven thousand, nine hundred forty-five".