6457738 has 16 divisors (see below), whose sum is σ = 11182464. Its totient is φ = 2739600.

The previous prime is 6457729. The next prime is 6457741. The reversal of 6457738 is 8377546.

It is a self number, because there is not a number n which added to its sum of digits gives 6457738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (698904).

Almost surely, 2^6457738 is an apocalyptic number.

6457738 is a deficient number, since it is larger than the sum of its proper divisors (4724726).

6457738 is a wasteful number, since it uses less digits than its factorization.

6457738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677.

The product of its digits is 141120, while the sum is 40.

The square root of 6457738 is about 2541.2079804691. The cubic root of 6457738 is about 186.2202078378.

The spelling of 6457738 in words is "six million, four hundred fifty-seven thousand, seven hundred thirty-eight".