6456746 has 4 divisors (see below), whose sum is σ = 9685122. Its totient is φ = 3228372.

The previous prime is 6456743. The next prime is 6456757. The reversal of 6456746 is 6476546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6476546 = 2 ⋅3238273.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 2436721 = 2005^2 + 1561^2 .

It is not an unprimeable number, because it can be changed into a prime (6456743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1614185 + ... + 1614188.

Almost surely, 2^6456746 is an apocalyptic number.

6456746 is a deficient number, since it is larger than the sum of its proper divisors (3228376).

6456746 is a wasteful number, since it uses less digits than its factorization.

6456746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228375.

The product of its digits is 120960, while the sum is 38.

The square root of 6456746 is about 2541.0127902079. The cubic root of 6456746 is about 186.2106719959.

The spelling of 6456746 in words is "six million, four hundred fifty-six thousand, seven hundred forty-six".