6461743 has 4 divisors (see below), whose sum is σ = 6504688. Its totient is φ = 6418800.

The previous prime is 6461737. The next prime is 6461753. The reversal of 6461743 is 3471646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3471646 = 2 ⋅1735823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6461743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461713) 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, 21246 + ... + 21547.

It is an arithmetic number, because the mean of its divisors is an integer number (1626172).

Almost surely, 2^6461743 is an apocalyptic number.

6461743 is a deficient number, since it is larger than the sum of its proper divisors (42945).

6461743 is a wasteful number, since it uses less digits than its factorization.

6461743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42944.

The product of its digits is 12096, while the sum is 31.

The square root of 6461743 is about 2541.9958693908. The cubic root of 6461743 is about 186.2586969499.

The spelling of 6461743 in words is "six million, four hundred sixty-one thousand, seven hundred forty-three".