5721693 has 4 divisors (see below), whose sum is σ = 7628928. Its totient is φ = 3814460.

The previous prime is 5721691. The next prime is 5721697. The reversal of 5721693 is 3961275.

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 a cyclic number.

It is not a de Polignac number, because 5721693 - 2¹ = 5721691 is a prime.

It is a D-number.

5721693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721691) 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, 953613 + ... + 953618.

It is an arithmetic number, because the mean of its divisors is an integer number (1907232).

Almost surely, 2^5721693 is an apocalyptic number.

It is an amenable number.

5721693 is a deficient number, since it is larger than the sum of its proper divisors (1907235).

5721693 is a wasteful number, since it uses less digits than its factorization.

5721693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907234.

The product of its digits is 11340, while the sum is 33.

The square root of 5721693 is about 2392.0060618652. The cubic root of 5721693 is about 178.8579233181.

The spelling of 5721693 in words is "five million, seven hundred twenty-one thousand, six hundred ninety-three".