30796947 has 12 divisors (see below), whose sum is σ = 44664984. Its totient is φ = 20448000.

The previous prime is 30796943. The next prime is 30796949. The reversal of 30796947 is 74969703.

It is not a de Polignac number, because 30796947 - 2² = 30796943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30796943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4558 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (3722082).

Almost surely, 2^30796947 is an apocalyptic number.

30796947 is a deficient number, since it is larger than the sum of its proper divisors (13868037).

30796947 is a wasteful number, since it uses less digits than its factorization.

30796947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890 (or 13887 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 30796947 is about 5549.4997071808. The cubic root of 30796947 is about 313.4506840003.

The spelling of 30796947 in words is "thirty million, seven hundred ninety-six thousand, nine hundred forty-seven".