30679049 has 2 divisors, whose sum is σ = 30679050. Its totient is φ = 30679048.

The previous prime is 30679037. The next prime is 30679093. The reversal of 30679049 is 94097603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15523600 + 15155449 = 3940^2 + 3893^2 .

It is an emirp because it is prime and its reverse (94097603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30679049 - 2⁸ = 30678793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30670049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15339524 + 15339525.

It is an arithmetic number, because the mean of its divisors is an integer number (15339525).

Almost surely, 2^30679049 is an apocalyptic number.

It is an amenable number.

30679049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30679049 is an equidigital number, since it uses as much as digits as its factorization.

30679049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 30679049 is about 5538.8671224358. The cubic root of 30679049 is about 313.0501847013.

The spelling of 30679049 in words is "thirty million, six hundred seventy-nine thousand, forty-nine".