30470449 has 2 divisors, whose sum is σ = 30470450. Its totient is φ = 30470448.

The previous prime is 30470393. The next prime is 30470459. The reversal of 30470449 is 94407403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30470400 + 49 = 5520^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 30470449 - 2¹¹ = 30468401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30470449.

It is not a weakly prime, because it can be changed into another prime (30470459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235224 + 15235225.

It is an arithmetic number, because the mean of its divisors is an integer number (15235225).

Almost surely, 2^30470449 is an apocalyptic number.

It is an amenable number.

30470449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30470449 is an equidigital number, since it uses as much as digits as its factorization.

30470449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30470449 is about 5520.0044384040. The cubic root of 30470449 is about 312.3390497049.

It can be divided in two parts, 304704 and 49, that multiplied together give a square (14930496 = 3864²).

The spelling of 30470449 in words is "thirty million, four hundred seventy thousand, four hundred forty-nine".