30793481 has 16 divisors (see below), whose sum is σ = 33073920. Its totient is φ = 28607040.

The previous prime is 30793463. The next prime is 30793487. The reversal of 30793481 is 18439703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30793481 is a prime.

It is a super-2 number, since 2×30793481² = 1896476944194722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30793487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177911 + ... + 178083.

It is an arithmetic number, because the mean of its divisors is an integer number (2067120).

Almost surely, 2^30793481 is an apocalyptic number.

It is an amenable number.

30793481 is a deficient number, since it is larger than the sum of its proper divisors (2280439).

30793481 is a wasteful number, since it uses less digits than its factorization.

30793481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 30793481 is about 5549.1874179919. The cubic root of 30793481 is about 313.4389246006.

The spelling of 30793481 in words is "thirty million, seven hundred ninety-three thousand, four hundred eighty-one".