6140731 has 4 divisors (see below), whose sum is σ = 6146200. Its totient is φ = 6135264.

The previous prime is 6140711. The next prime is 6140753. The reversal of 6140731 is 1370416.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6140731 - 2⁹ = 6140219 is a prime.

It is a super-2 number, since 2×6140731² = 75417154428722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6140711) 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, 366 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (1536550).

Almost surely, 2^6140731 is an apocalyptic number.

6140731 is a deficient number, since it is larger than the sum of its proper divisors (5469).

6140731 is a wasteful number, since it uses less digits than its factorization.

6140731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 6140731 is about 2478.0498380783. The cubic root of 6140731 is about 183.1217897918.

The spelling of 6140731 in words is "six million, one hundred forty thousand, seven hundred thirty-one".