30949705 has 8 divisors (see below), whose sum is σ = 37209672. Its totient is φ = 24713088.

The previous prime is 30949663. The next prime is 30949717. The reversal of 30949705 is 50794903.

It can be written as a sum of positive squares in 4 ways, for example, as 2359296 + 28590409 = 1536^2 + 5347^2 .

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 30949705 - 2¹⁵ = 30916937 is a prime.

It is a Duffinian 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, 2772 + ... + 8341.

It is an arithmetic number, because the mean of its divisors is an integer number (4651209).

Almost surely, 2^30949705 is an apocalyptic number.

It is an amenable number.

30949705 is a deficient number, since it is larger than the sum of its proper divisors (6259967).

30949705 is a wasteful number, since it uses less digits than its factorization.

30949705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11675.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 30949705 is about 5563.2459050450. The cubic root of 30949705 is about 313.9680853874.

The spelling of 30949705 in words is "thirty million, nine hundred forty-nine thousand, seven hundred five".