5691729 has 4 divisors (see below), whose sum is σ = 7588976. Its totient is φ = 3794484.

The previous prime is 5691709. The next prime is 5691739. The reversal of 5691729 is 9271965.

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.

It is not a de Polignac number, because 5691729 - 2⁷ = 5691601 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5691709) 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, 948619 + ... + 948624.

It is an arithmetic number, because the mean of its divisors is an integer number (1897244).

Almost surely, 2^5691729 is an apocalyptic number.

It is an amenable number.

5691729 is a deficient number, since it is larger than the sum of its proper divisors (1897247).

5691729 is a wasteful number, since it uses less digits than its factorization.

5691729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897246.

The product of its digits is 34020, while the sum is 39.

The square root of 5691729 is about 2385.7344781010. The cubic root of 5691729 is about 178.5451556623.

The spelling of 5691729 in words is "five million, six hundred ninety-one thousand, seven hundred twenty-nine".