52700340 has 288 divisors, whose sum is σ = 199487232. Its totient is φ = 10137600.

The previous prime is 52700317. The next prime is 52700353. The reversal of 52700340 is 4300725.

It is a happy number.

It is a super-2 number, since 2×52700340² = 5554651672231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 863910 + ... + 863970.

It is an arithmetic number, because the mean of its divisors is an integer number (692664).

Almost surely, 2^52700340 is an apocalyptic number.

It is a pronic number, being equal to 7259×7260.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52700340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99743616).

52700340 is an abundant number, since it is smaller than the sum of its proper divisors (146786892).

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

52700340 is a wasteful number, since it uses less digits than its factorization.

52700340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 52700340 is about 7259.4999827812. The cubic root of 52700340 is about 374.9193070821.

The spelling of 52700340 in words is "fifty-two million, seven hundred thousand, three hundred forty".