6425743 has 4 divisors (see below), whose sum is σ = 6763960. Its totient is φ = 6087528.

The previous prime is 6425737. The next prime is 6425761. The reversal of 6425743 is 3475246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3475246 = 2 ⋅1737623.

It is a cyclic number.

It is not a de Polignac number, because 6425743 - 2¹⁷ = 6294671 is a prime.

It is a d-powerful number, because it can be written as 6 + 4⁷ + 2²¹ + 5 + 7⁶ + 4¹¹ + 3⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169080 + ... + 169117.

It is an arithmetic number, because the mean of its divisors is an integer number (1690990).

Almost surely, 2^6425743 is an apocalyptic number.

6425743 is a deficient number, since it is larger than the sum of its proper divisors (338217).

6425743 is a wasteful number, since it uses less digits than its factorization.

6425743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338216.

The product of its digits is 20160, while the sum is 31.

The square root of 6425743 is about 2534.9049291837. The cubic root of 6425743 is about 185.9121545332.

The spelling of 6425743 in words is "six million, four hundred twenty-five thousand, seven hundred forty-three".