7237978992 has 80 divisors (see below), whose sum is σ = 20821127680. Its totient is φ = 2407382208.

The previous prime is 7237978987. The next prime is 7237979003. The reversal of 7237978992 is 2998797327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181923 + ... + 218109.

It is an arithmetic number, because the mean of its divisors is an integer number (260264096).

Almost surely, 2^7237978992 is an apocalyptic number.

7237978992 is a gapful number since it is divisible by the number (72) 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 7237978992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10410563840).

7237978992 is an abundant number, since it is smaller than the sum of its proper divisors (13583148688).

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

7237978992 is a wasteful number, since it uses less digits than its factorization.

7237978992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36667 (or 36655 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 63.

The square root of 7237978992 is about 85076.3127550789. The cubic root of 7237978992 is about 1934.3680311078.

The spelling of 7237978992 in words is "seven billion, two hundred thirty-seven million, nine hundred seventy-eight thousand, nine hundred ninety-two".