34185730 has 16 divisors (see below), whose sum is σ = 61621560. Its totient is φ = 13654912.

The previous prime is 34185713. The next prime is 34185757. The reversal of 34185730 is 3758143.

It can be written as a sum of positive squares in 4 ways, for example, as 32524209 + 1661521 = 5703^2 + 1289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34185692 and 34185701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6576 + ... + 10564.

Almost surely, 2^34185730 is an apocalyptic number.

34185730 is a deficient number, since it is larger than the sum of its proper divisors (27435830).

34185730 is a wasteful number, since it uses less digits than its factorization.

34185730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 34185730 is about 5846.8564203339. The cubic root of 34185730 is about 324.5500044419.

The spelling of 34185730 in words is "thirty-four million, one hundred eighty-five thousand, seven hundred thirty".