34645405 has 16 divisors (see below), whose sum is σ = 44264880. Its totient is φ = 25940992.

The previous prime is 34645349. The next prime is 34645427. The reversal of 34645405 is 50454643.

It can be written as a sum of positive squares in 8 ways, for example, as 1490841 + 33154564 = 1221^2 + 5758^2 .

It is a cyclic number.

It is not a de Polignac number, because 34645405 - 2⁷ = 34645277 is a prime.

It is a super-2 number, since 2×34645405² = 2400608175228050, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 15711 + ... + 17779.

It is an arithmetic number, because the mean of its divisors is an integer number (2766555).

Almost surely, 2^34645405 is an apocalyptic number.

It is an amenable number.

34645405 is a deficient number, since it is larger than the sum of its proper divisors (9619475).

34645405 is a wasteful number, since it uses less digits than its factorization.

34645405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 34645405 is about 5886.0347433565. The cubic root of 34645405 is about 325.9982090559.

The spelling of 34645405 in words is "thirty-four million, six hundred forty-five thousand, four hundred five".