5721429 has 8 divisors (see below), whose sum is σ = 8718400. Its totient is φ = 3269376.

The previous prime is 5721409. The next prime is 5721431. The reversal of 5721429 is 9241275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5721429 - 2¹¹ = 5719381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5721396 and 5721405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721409) 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 in 7 ways as a sum of consecutive naturals, for example, 136204 + ... + 136245.

It is an arithmetic number, because the mean of its divisors is an integer number (1089800).

Almost surely, 2^5721429 is an apocalyptic number.

It is an amenable number.

5721429 is a deficient number, since it is larger than the sum of its proper divisors (2996971).

5721429 is a wasteful number, since it uses less digits than its factorization.

5721429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272459.

The product of its digits is 5040, while the sum is 30.

The square root of 5721429 is about 2391.9508774220. The cubic root of 5721429 is about 178.8551724296.

The spelling of 5721429 in words is "five million, seven hundred twenty-one thousand, four hundred twenty-nine".