52730340 has 96 divisors (see below), whose sum is σ = 161535360. Its totient is φ = 12773376.

The previous prime is 52730303. The next prime is 52730401. The reversal of 52730340 is 4303725.

It is a self number, because there is not a number n which added to its sum of digits gives 52730340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51756 + ... + 52764.

It is an arithmetic number, because the mean of its divisors is an integer number (1682660).

Almost surely, 2^52730340 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 52730340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80767680).

52730340 is an abundant number, since it is smaller than the sum of its proper divisors (108805020).

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

52730340 is a wasteful number, since it uses less digits than its factorization.

52730340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 52730340 is about 7261.5659468189. The cubic root of 52730340 is about 374.9904353116.

The spelling of 52730340 in words is "fifty-two million, seven hundred thirty thousand, three hundred forty".