30674881 has 2 divisors, whose sum is σ = 30674882. Its totient is φ = 30674880.

The previous prime is 30674857. The next prime is 30674909. The reversal of 30674881 is 18847603.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30074256 + 600625 = 5484^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 30674881 - 2⁷ = 30674753 is a prime.

It is a super-2 number, since 2×30674881² = 1881896648728322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30674881.

It is not a weakly prime, because it can be changed into another prime (30674821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15337440 + 15337441.

It is an arithmetic number, because the mean of its divisors is an integer number (15337441).

Almost surely, 2^30674881 is an apocalyptic number.

It is an amenable number.

30674881 is a deficient number, since it is larger than the sum of its proper divisors (1).

30674881 is an equidigital number, since it uses as much as digits as its factorization.

30674881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 30674881 is about 5538.4908594309. The cubic root of 30674881 is about 313.0360072490.

The spelling of 30674881 in words is "thirty million, six hundred seventy-four thousand, eight hundred eighty-one".