34645970 has 16 divisors (see below), whose sum is σ = 62567640. Its totient is φ = 13812864.

The previous prime is 34645969. The next prime is 34645991. The reversal of 34645970 is 7954643.

It can be written as a sum of positive squares in 4 ways, for example, as 8462281 + 26183689 = 2909^2 + 5117^2 .

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2405 + ... + 8664.

Almost surely, 2^34645970 is an apocalyptic number.

34645970 is a deficient number, since it is larger than the sum of its proper divisors (27921670).

34645970 is a wasteful number, since it uses less digits than its factorization.

34645970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11389.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 34645970 is about 5886.0827381205. The cubic root of 34645970 is about 325.9999811811. Note that the first 4 decimals are identical.

It can be divided in two parts, 346459 and 70, that multiplied together give a triangular number (24252130 = T₆₉₆₄).

The spelling of 34645970 in words is "thirty-four million, six hundred forty-five thousand, nine hundred seventy".