7437940068 has 96 divisors (see below), whose sum is σ = 19746639360. Its totient is φ = 2162603520.

The previous prime is 7437940061. The next prime is 7437940091. The reversal of 7437940068 is 8600497347.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7437939999 and 7437940026.

It is not an unprimeable number, because it can be changed into a prime (7437940061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195138 + ... + 230118.

It is an arithmetic number, because the mean of its divisors is an integer number (205694160).

Almost surely, 2^7437940068 is an apocalyptic number.

7437940068 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7437940068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9873319680).

7437940068 is an abundant number, since it is smaller than the sum of its proper divisors (12308699292).

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

7437940068 is a wasteful number, since it uses less digits than its factorization.

7437940068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35077 (or 35075 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 7437940068 is about 86243.4929023634. The cubic root of 7437940068 is about 1952.0198284877.

The spelling of 7437940068 in words is "seven billion, four hundred thirty-seven million, nine hundred forty thousand, sixty-eight".