70000549 has 2 divisors, whose sum is σ = 70000550. Its totient is φ = 70000548.

The previous prime is 70000493. The next prime is 70000589. The reversal of 70000549 is 94500007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68178049 + 1822500 = 8257^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 70000549 - 2⁹ = 70000037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000274 + 35000275.

It is an arithmetic number, because the mean of its divisors is an integer number (35000275).

Almost surely, 2^70000549 is an apocalyptic number.

It is an amenable number.

70000549 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000549 is an equidigital number, since it uses as much as digits as its factorization.

70000549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 70000549 is about 8366.6330743018. The cubic root of 70000549 is about 412.1296073998.

The spelling of 70000549 in words is "seventy million, five hundred forty-nine", and thus it is an aban number.