702245 has 4 divisors (see below), whose sum is σ = 842700. Its totient is φ = 561792.

The previous prime is 702239. The next prime is 702257. The reversal of 702245 is 542207.

It is a Cunningham number, because it is equal to 838²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 252004 + 450241 = 502^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 702245 - 2¹⁰ = 701221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70220 + ... + 70229.

It is an arithmetic number, because the mean of its divisors is an integer number (210675).

2⁷⁰²²⁴⁵ is an apocalyptic number.

It is an amenable number.

702245 is a deficient number, since it is larger than the sum of its proper divisors (140455).

702245 is a wasteful number, since it uses less digits than its factorization.

702245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140454.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 702245 is about 838.0005966585. Note that the first 3 decimals coincide. The cubic root of 702245 is about 88.8852200453.

The spelling of 702245 in words is "seven hundred two thousand, two hundred forty-five".