7964020344 has 32 divisors (see below), whose sum is σ = 22754344320. Its totient is φ = 2275434336.

The previous prime is 7964020343. The next prime is 7964020357. The reversal of 7964020344 is 4430204697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964020343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23702274 + ... + 23702609.

It is an arithmetic number, because the mean of its divisors is an integer number (711073260).

Almost surely, 2^7964020344 is an apocalyptic number.

It is an amenable number.

7964020344 is an abundant number, since it is smaller than the sum of its proper divisors (14790323976).

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

7964020344 is a wasteful number, since it uses less digits than its factorization.

7964020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47404899 (or 47404895 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 7964020344 is about 89241.3600523883. The cubic root of 7964020344 is about 1996.9971891532.

The spelling of 7964020344 in words is "seven billion, nine hundred sixty-four million, twenty thousand, three hundred forty-four".