702120949 has 2 divisors, whose sum is σ = 702120950. Its totient is φ = 702120948.

The previous prime is 702120869. The next prime is 702120967. The reversal of 702120949 is 949021207.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677300625 + 24820324 = 26025^2 + 4982^2 .

It is an emirp because it is prime and its reverse (949021207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 702120949 - 2¹⁵ = 702088181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (702120049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351060474 + 351060475.

It is an arithmetic number, because the mean of its divisors is an integer number (351060475).

Almost surely, 2^702120949 is an apocalyptic number.

It is an amenable number.

702120949 is a deficient number, since it is larger than the sum of its proper divisors (1).

702120949 is an equidigital number, since it uses as much as digits as its factorization.

702120949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 702120949 is about 26497.5649635962. The cubic root of 702120949 is about 888.7998590352.

The spelling of 702120949 in words is "seven hundred two million, one hundred twenty thousand, nine hundred forty-nine".