5721279 has 8 divisors (see below), whose sum is σ = 7805952. Its totient is φ = 3725400.

The previous prime is 5721271. The next prime is 5721281. The reversal of 5721279 is 9721275.

5721279 is nontrivially palindromic in base 6.

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

It is not a de Polignac number, because 5721279 - 2³ = 5721271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22047 + ... + 22304.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 2^5721279 is an apocalyptic number.

5721279 is a deficient number, since it is larger than the sum of its proper divisors (2084673).

5721279 is a wasteful number, since it uses less digits than its factorization.

5721279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44397.

The product of its digits is 8820, while the sum is 33.

The square root of 5721279 is about 2391.9195220575. The cubic root of 5721279 is about 178.8536093871.

It can be divided in two parts, 57212 and 79, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 5721279 in words is "five million, seven hundred twenty-one thousand, two hundred seventy-nine".