34478845 has 4 divisors (see below), whose sum is σ = 41374620. Its totient is φ = 27583072.

The previous prime is 34478831. The next prime is 34478861. The reversal of 34478845 is 54887443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22382361 + 12096484 = 4731^2 + 3478^2 .

It is a cyclic number.

It is not a de Polignac number, because 34478845 - 2⁵ = 34478813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3447880 + ... + 3447889.

It is an arithmetic number, because the mean of its divisors is an integer number (10343655).

Almost surely, 2^34478845 is an apocalyptic number.

It is an amenable number.

34478845 is a deficient number, since it is larger than the sum of its proper divisors (6895775).

34478845 is an equidigital number, since it uses as much as digits as its factorization.

34478845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895774.

The product of its digits is 430080, while the sum is 43.

The square root of 34478845 is about 5871.8689528974. The cubic root of 34478845 is about 325.4749505461.

The spelling of 34478845 in words is "thirty-four million, four hundred seventy-eight thousand, eight hundred forty-five".