5457720 has 32 divisors (see below), whose sum is σ = 16373520. Its totient is φ = 1455360.

The previous prime is 5457719. The next prime is 5457743. The reversal of 5457720 is 277545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22621 + ... + 22860.

Almost surely, 2^5457720 is an apocalyptic number.

It is an amenable number.

5457720 is an abundant number, since it is smaller than the sum of its proper divisors (10915800).

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

5457720 is a wasteful number, since it uses less digits than its factorization.

5457720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45495 (or 45491 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 5457720 is about 2336.1763632055. The cubic root of 5457720 is about 176.0639402665.

The spelling of 5457720 in words is "five million, four hundred fifty-seven thousand, seven hundred twenty".