702242042 has 16 divisors (see below), whose sum is σ = 1071655272. Its totient is φ = 345058560.

The previous prime is 702242041. The next prime is 702242059. The reversal of 702242042 is 240242207.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 448126561 + 254115481 = 21169^2 + 15941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 702241999 and 702242017.

It is not an unprimeable number, because it can be changed into a prime (702242041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32468 + ... + 49584.

Almost surely, 2^702242042 is an apocalyptic number.

702242042 is a deficient number, since it is larger than the sum of its proper divisors (369413230).

702242042 is a wasteful number, since it uses less digits than its factorization.

702242042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17473.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 702242042 is about 26499.8498486312. The cubic root of 702242042 is about 888.8509524423.

Adding to 702242042 its reverse (240242207), we get a palindrome (942484249).

The spelling of 702242042 in words is "seven hundred two million, two hundred forty-two thousand, forty-two".