5729240 has 64 divisors (see below), whose sum is σ = 14580000. Its totient is φ = 2007040.

The previous prime is 5729239. The next prime is 5729263. The reversal of 5729240 is 429275.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12536 + ... + 12984.

Almost surely, 2^5729240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5729240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7290000).

5729240 is an abundant number, since it is smaller than the sum of its proper divisors (8850760).

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

5729240 is a wasteful number, since it uses less digits than its factorization.

5729240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 5729240 is about 2393.5830881755. The cubic root of 5729240 is about 178.9365275409.

The spelling of 5729240 in words is "five million, seven hundred twenty-nine thousand, two hundred forty".