30739085 has 8 divisors (see below), whose sum is σ = 39724440. Its totient is φ = 22699584.

The previous prime is 30739069. The next prime is 30739117. The reversal of 30739085 is 58093703.

It can be written as a sum of positive squares in 4 ways, for example, as 3636649 + 27102436 = 1907^2 + 5206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30739085 - 2⁴ = 30739069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236390 + ... + 236519.

It is an arithmetic number, because the mean of its divisors is an integer number (4965555).

Almost surely, 2^30739085 is an apocalyptic number.

It is an amenable number.

30739085 is a deficient number, since it is larger than the sum of its proper divisors (8985355).

30739085 is a wasteful number, since it uses less digits than its factorization.

30739085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472927.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 30739085 is about 5544.2839934477. The cubic root of 30739085 is about 313.2542548541.

The spelling of 30739085 in words is "thirty million, seven hundred thirty-nine thousand, eighty-five".