5672731 has 2 divisors, whose sum is σ = 5672732. Its totient is φ = 5672730.

The previous prime is 5672707. The next prime is 5672767. The reversal of 5672731 is 1372765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5672731 is a prime.

It is a super-2 number, since 2×5672731² = 64359753996722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5672693 and 5672702.

It is not a weakly prime, because it can be changed into another prime (5672131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2836365 + 2836366.

It is an arithmetic number, because the mean of its divisors is an integer number (2836366).

Almost surely, 2^5672731 is an apocalyptic number.

5672731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5672731 is an equidigital number, since it uses as much as digits as its factorization.

5672731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 5672731 is about 2381.7495670200. The cubic root of 5672731 is about 178.3462833542.

The spelling of 5672731 in words is "five million, six hundred seventy-two thousand, seven hundred thirty-one".