34398725 has 6 divisors (see below), whose sum is σ = 42654450. Its totient is φ = 27518960.

The previous prime is 34398703. The next prime is 34398739. The reversal of 34398725 is 52789343.

It can be written as a sum of positive squares in 3 ways, for example, as 3740356 + 30658369 = 1934^2 + 5537^2 .

It is not a de Polignac number, because 34398725 - 2¹⁸ = 34136581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687950 + ... + 687999.

It is an arithmetic number, because the mean of its divisors is an integer number (7109075).

Almost surely, 2^34398725 is an apocalyptic number.

It is an amenable number.

34398725 is a deficient number, since it is larger than the sum of its proper divisors (8255725).

34398725 is a wasteful number, since it uses less digits than its factorization.

34398725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375959 (or 1375954 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 34398725 is about 5865.0426255911. The cubic root of 34398725 is about 325.2226482242. Note that the first 3 decimals are identical.

The spelling of 34398725 in words is "thirty-four million, three hundred ninety-eight thousand, seven hundred twenty-five".