5642720 has 24 divisors (see below), whose sum is σ = 13331304. Its totient is φ = 2257024.

The previous prime is 5642717. The next prime is 5642729. The reversal of 5642720 is 272465.

5642720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 5642720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642729) 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, 17474 + ... + 17793.

It is an arithmetic number, because the mean of its divisors is an integer number (555471).

Almost surely, 2^5642720 is an apocalyptic number.

It is an amenable number.

5642720 is an abundant number, since it is smaller than the sum of its proper divisors (7688584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5642720 is a wasteful number, since it uses less digits than its factorization.

5642720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35282 (or 35274 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 5642720 is about 2375.4410116860. The cubic root of 5642720 is about 178.0312195377.

The spelling of 5642720 in words is "five million, six hundred forty-two thousand, seven hundred twenty".