52070436 has 72 divisors (see below), whose sum is σ = 149857344. Its totient is φ = 15090240.

The previous prime is 52070423. The next prime is 52070441. The reversal of 52070436 is 63407025.

It is a happy number.

It is a super-2 number, since 2×52070436² = 5422660610460192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6250 + ... + 11966.

It is an arithmetic number, because the mean of its divisors is an integer number (2081352).

Almost surely, 2^52070436 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 52070436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74928672).

52070436 is an abundant number, since it is smaller than the sum of its proper divisors (97786908).

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

52070436 is a wasteful number, since it uses less digits than its factorization.

52070436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761 (or 5756 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52070436 is about 7215.9847560815. The cubic root of 52070436 is about 373.4195673105.

The spelling of 52070436 in words is "fifty-two million, seventy thousand, four hundred thirty-six".