6724961 has 4 divisors (see below), whose sum is σ = 6730800. Its totient is φ = 6719124.

The previous prime is 6724951. The next prime is 6724981. The reversal of 6724961 is 1694276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6724961 is a prime.

It is a d-powerful number, because it can be written as 6³ + 7 + 2³ + 4⁹ + 9⁷ + 6⁸ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6724931) 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, 551 + ... + 3708.

It is an arithmetic number, because the mean of its divisors is an integer number (1682700).

Almost surely, 2^6724961 is an apocalyptic number.

It is an amenable number.

6724961 is a deficient number, since it is larger than the sum of its proper divisors (5839).

6724961 is a wasteful number, since it uses less digits than its factorization.

6724961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838.

The product of its digits is 18144, while the sum is 35.

The square root of 6724961 is about 2593.2529764757. The cubic root of 6724961 is about 188.7541852499.

It can be divided in two parts, 6724 and 961, that multiplied together give a square (6461764 = 2542²).

The spelling of 6724961 in words is "six million, seven hundred twenty-four thousand, nine hundred sixty-one".