70304449 has 2 divisors, whose sum is σ = 70304450. Its totient is φ = 70304448.

The previous prime is 70304431. The next prime is 70304453. The reversal of 70304449 is 94440307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 34304449 = 6000^2 + 5857^2 .

It is a cyclic number.

It is not a de Polignac number, because 70304449 - 2⁷ = 70304321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70304449.

It is not a weakly prime, because it can be changed into another prime (70304489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35152224 + 35152225.

It is an arithmetic number, because the mean of its divisors is an integer number (35152225).

Almost surely, 2^70304449 is an apocalyptic number.

It is an amenable number.

70304449 is a deficient number, since it is larger than the sum of its proper divisors (1).

70304449 is an equidigital number, since it uses as much as digits as its factorization.

70304449 is an odious number, because the sum of its binary digits is odd.

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

The square root of 70304449 is about 8384.7748329934. The cubic root of 70304449 is about 412.7251521379.

The spelling of 70304449 in words is "seventy million, three hundred four thousand, four hundred forty-nine".