52070940 has 36 divisors (see below), whose sum is σ = 157949064. Its totient is φ = 13885536.

The previous prime is 52070939. The next prime is 52070947. The reversal of 52070940 is 4907025.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×52070940³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52070947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144462 + ... + 144821.

It is an arithmetic number, because the mean of its divisors is an integer number (4387474).

Almost surely, 2^52070940 is an apocalyptic number.

It is an amenable number.

52070940 is an abundant number, since it is smaller than the sum of its proper divisors (105878124).

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

52070940 is a wasteful number, since it uses less digits than its factorization.

52070940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289298 (or 289293 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 52070940 is about 7216.0196784654. The cubic root of 52070940 is about 373.4207721071.

Adding to 52070940 its reverse (4907025), we get a palindrome (56977965).

The spelling of 52070940 in words is "fifty-two million, seventy thousand, nine hundred forty".