30802047 has 16 divisors (see below), whose sum is σ = 42002688. Its totient is φ = 20073600.

The previous prime is 30802043. The next prime is 30802049. The reversal of 30802047 is 74020803.

It is not a de Polignac number, because 30802047 - 2² = 30802043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30802043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25047 + ... + 26247.

It is an arithmetic number, because the mean of its divisors is an integer number (2625168).

Almost surely, 2^30802047 is an apocalyptic number.

30802047 is a deficient number, since it is larger than the sum of its proper divisors (11200641).

30802047 is a wasteful number, since it uses less digits than its factorization.

30802047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 30802047 is about 5549.9591890391. The cubic root of 30802047 is about 313.4679856098.

The spelling of 30802047 in words is "thirty million, eight hundred two thousand, forty-seven".