34645690 has 16 divisors (see below), whose sum is σ = 64048392. Its totient is φ = 13483584.

The previous prime is 34645669. The next prime is 34645703. The reversal of 34645690 is 9654643.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33837489 + 808201 = 5817^2 + 899^2 .

It is a super-2 number, since 2×34645690² = 2400647671152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 46449 + ... + 47188.

Almost surely, 2^34645690 is an apocalyptic number.

34645690 is a deficient number, since it is larger than the sum of its proper divisors (29402702).

34645690 is a wasteful number, since it uses less digits than its factorization.

34645690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93681.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 34645690 is about 5886.0589531536. The cubic root of 34645690 is about 325.9991029621. Note that the first 3 decimals are identical.

The spelling of 34645690 in words is "thirty-four million, six hundred forty-five thousand, six hundred ninety".