6996021744 has 40 divisors (see below), whose sum is σ = 18097803472. Its totient is φ = 2328814080.

The previous prime is 6996021727. The next prime is 6996021763. The reversal of 6996021744 is 4471206996.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 6996021693 and 6996021702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64237 + ... + 134604.

Almost surely, 2^6996021744 is an apocalyptic number.

It is an amenable number.

6996021744 is an abundant number, since it is smaller than the sum of its proper divisors (11101781728).

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

6996021744 is a wasteful number, since it uses less digits than its factorization.

6996021744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199585 (or 199579 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 6996021744 is about 83642.2246476025. The cubic root of 6996021744 is about 1912.5687269591.

The spelling of 6996021744 in words is "six billion, nine hundred ninety-six million, twenty-one thousand, seven hundred forty-four".