702143420 has 24 divisors (see below), whose sum is σ = 1608547248. Its totient is φ = 255324800.

The previous prime is 702143383. The next prime is 702143443. The reversal of 702143420 is 24341207.

It is a congruent number.

It is an unprimeable number.

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, 1595561 + ... + 1596000.

It is an arithmetic number, because the mean of its divisors is an integer number (67022802).

Almost surely, 2^702143420 is an apocalyptic number.

It is an amenable number.

702143420 is an abundant number, since it is smaller than the sum of its proper divisors (906403828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

702143420 is a wasteful number, since it uses less digits than its factorization.

702143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191581 (or 3191579 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 702143420 is about 26497.9889802981. The cubic root of 702143420 is about 888.8093407864.

Adding to 702143420 its reverse (24341207), we get a palindrome (726484627).

The spelling of 702143420 in words is "seven hundred two million, one hundred forty-three thousand, four hundred twenty".