5420724 has 24 divisors (see below), whose sum is σ = 12686688. Its totient is φ = 1801440.

The previous prime is 5420717. The next prime is 5420729. The reversal of 5420724 is 4270245.

It is a junction number, because it is equal to n+sod(n) for n = 5420694 and 5420703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420729) 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, 6279 + ... + 7089.

It is an arithmetic number, because the mean of its divisors is an integer number (528612).

Almost surely, 2^5420724 is an apocalyptic number.

It is an amenable number.

5420724 is an abundant number, since it is smaller than the sum of its proper divisors (7265964).

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

5420724 is a wasteful number, since it uses less digits than its factorization.

5420724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 5420724 is about 2328.2448324865. The cubic root of 5420724 is about 175.6652123993.

Adding to 5420724 its reverse (4270245), we get a palindrome (9690969).

The spelling of 5420724 in words is "five million, four hundred twenty thousand, seven hundred twenty-four".