30076861 has 2 divisors, whose sum is σ = 30076862. Its totient is φ = 30076860.

The previous prime is 30076853. The next prime is 30076873. The reversal of 30076861 is 16867003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 6125625 = 4894^2 + 2475^2 .

It is a cyclic number.

It is not a de Polignac number, because 30076861 - 2³ = 30076853 is a prime.

It is a super-2 number, since 2×30076861² = 1809235135226642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30076831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15038430 + 15038431.

It is an arithmetic number, because the mean of its divisors is an integer number (15038431).

Almost surely, 2^30076861 is an apocalyptic number.

It is an amenable number.

30076861 is a deficient number, since it is larger than the sum of its proper divisors (1).

30076861 is an equidigital number, since it uses as much as digits as its factorization.

30076861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 30076861 is about 5484.2375039745. The cubic root of 30076861 is about 310.9883854046.

The spelling of 30076861 in words is "thirty million, seventy-six thousand, eight hundred sixty-one".