6421702 has 16 divisors (see below), whose sum is σ = 11388960. Its totient is φ = 2657088.

The previous prime is 6421697. The next prime is 6421703. The reversal of 6421702 is 2071246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421703) 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 in 7 ways as a sum of consecutive naturals, for example, 7503 + ... + 8314.

It is an arithmetic number, because the mean of its divisors is an integer number (711810).

Almost surely, 2^6421702 is an apocalyptic number.

6421702 is a deficient number, since it is larger than the sum of its proper divisors (4967258).

6421702 is a wasteful number, since it uses less digits than its factorization.

6421702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15855.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 6421702 is about 2534.1077325165. The cubic root of 6421702 is about 185.8731744206.

Adding to 6421702 its reverse (2071246), we get a palindrome (8492948).

The spelling of 6421702 in words is "six million, four hundred twenty-one thousand, seven hundred two".