30974081 has 4 divisors (see below), whose sum is σ = 31633152. Its totient is φ = 30315012.

The previous prime is 30974029. The next prime is 30974107. The reversal of 30974081 is 18047903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30974081 - 2¹⁸ = 30711937 is a prime.

It is a super-2 number, since 2×30974081² = 1918787387589122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30974011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329465 + ... + 329558.

It is an arithmetic number, because the mean of its divisors is an integer number (7908288).

Almost surely, 2^30974081 is an apocalyptic number.

It is an amenable number.

30974081 is a deficient number, since it is larger than the sum of its proper divisors (659071).

30974081 is an equidigital number, since it uses as much as digits as its factorization.

30974081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659070.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 30974081 is about 5565.4362811913. The cubic root of 30974081 is about 314.0504908867.

The spelling of 30974081 in words is "thirty million, nine hundred seventy-four thousand, eighty-one".