34507789 has 4 divisors (see below), whose sum is σ = 34610524. Its totient is φ = 34405056.

The previous prime is 34507783. The next prime is 34507793. The reversal of 34507789 is 98770543.

It is a happy number.

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 14122564 + 20385225 = 3758^2 + 4515^2 .

It is a cyclic number.

It is not a de Polignac number, because 34507789 - 2⁷ = 34507661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34507783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50862 + ... + 51535.

It is an arithmetic number, because the mean of its divisors is an integer number (8652631).

Almost surely, 2^34507789 is an apocalyptic number.

It is an amenable number.

34507789 is a deficient number, since it is larger than the sum of its proper divisors (102735).

34507789 is a wasteful number, since it uses less digits than its factorization.

34507789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102734.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 34507789 is about 5874.3330685279. Note that the first 3 decimals coincide. The cubic root of 34507789 is about 325.5660006968.

The spelling of 34507789 in words is "thirty-four million, five hundred seven thousand, seven hundred eighty-nine".