30678463 has 2 divisors, whose sum is σ = 30678464. Its totient is φ = 30678462.

The previous prime is 30678449. The next prime is 30678509. The reversal of 30678463 is 36487603.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30678463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30678413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15339231 + 15339232.

It is an arithmetic number, because the mean of its divisors is an integer number (15339232).

Almost surely, 2^30678463 is an apocalyptic number.

30678463 is a deficient number, since it is larger than the sum of its proper divisors (1).

30678463 is an equidigital number, since it uses as much as digits as its factorization.

30678463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 30678463 is about 5538.8142232792. The cubic root of 30678463 is about 313.0481914998.

The spelling of 30678463 in words is "thirty million, six hundred seventy-eight thousand, four hundred sixty-three".