6457494 has 16 divisors (see below), whose sum is σ = 12964032. Its totient is φ = 2144328.

The previous prime is 6457489. The next prime is 6457531. The reversal of 6457494 is 4947546.

It is a happy number.

It is a congruent number.

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, 204 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (810252).

Almost surely, 2^6457494 is an apocalyptic number.

6457494 is an abundant number, since it is smaller than the sum of its proper divisors (6506538).

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

6457494 is a wasteful number, since it uses less digits than its factorization.

6457494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its digits is 120960, while the sum is 39.

The square root of 6457494 is about 2541.1599713517. The cubic root of 6457494 is about 186.2178624189.

The spelling of 6457494 in words is "six million, four hundred fifty-seven thousand, four hundred ninety-four".