5597730 has 72 divisors (see below), whose sum is σ = 15320916. Its totient is φ = 1416960.

The previous prime is 5597719. The next prime is 5597737. The reversal of 5597730 is 377955.

5597730 is a `hidden beast` number, since 559 + 77 + 30 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 762129 + 4835601 = 873^2 + 2199^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5597737) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 136510 + ... + 136550.

Almost surely, 2^5597730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5597730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7660458).

5597730 is an abundant number, since it is smaller than the sum of its proper divisors (9723186).

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

5597730 is a wasteful number, since it uses less digits than its factorization.

5597730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 5597730 is about 2365.9522395856. The cubic root of 5597730 is about 177.5568025571.

Subtracting from 5597730 its product of nonzero digits (33075), we obtain a palindrome (5564655).

The spelling of 5597730 in words is "five million, five hundred ninety-seven thousand, seven hundred thirty".