5612121736 has 64 divisors (see below), whose sum is σ = 12012295680. Its totient is φ = 2435097600.

The previous prime is 5612121733. The next prime is 5612121761. The reversal of 5612121736 is 6371212165.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (5612121733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875561 + ... + 2877511.

It is an arithmetic number, because the mean of its divisors is an integer number (187692120).

Almost surely, 2^5612121736 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 5612121736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6006147840).

5612121736 is an abundant number, since it is smaller than the sum of its proper divisors (6400173944).

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

5612121736 is a wasteful number, since it uses less digits than its factorization.

5612121736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3610 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 5612121736 is about 74914.0957096860. The cubic root of 5612121736 is about 1777.0883822262.

The spelling of 5612121736 in words is "five billion, six hundred twelve million, one hundred twenty-one thousand, seven hundred thirty-six".