5380721 has 8 divisors (see below), whose sum is σ = 5749704. Its totient is φ = 5017600.

The previous prime is 5380699. The next prime is 5380723. The reversal of 5380721 is 1270835.

5380721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 255025 + 5125696 = 505^2 + 2264^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5380721 - 2¹⁸ = 5118577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5380723) 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, 521 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (718713).

Almost surely, 2^5380721 is an apocalyptic number.

It is an amenable number.

5380721 is a deficient number, since it is larger than the sum of its proper divisors (368983).

5380721 is a wasteful number, since it uses less digits than its factorization.

5380721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5380721 is about 2319.6381183279. The cubic root of 5380721 is about 175.2320296347.

The spelling of 5380721 in words is "five million, three hundred eighty thousand, seven hundred twenty-one".