6996021750 has 48 divisors (see below), whose sum is σ = 18917248896. Its totient is φ = 1865605200.

The previous prime is 6996021727. The next prime is 6996021763. The reversal of 6996021750 is 571206996.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6996021696 and 6996021705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1552422 + ... + 1556921.

It is an arithmetic number, because the mean of its divisors is an integer number (394109352).

Almost surely, 2^6996021750 is an apocalyptic number.

6996021750 is an abundant number, since it is smaller than the sum of its proper divisors (11921227146).

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

6996021750 is a wasteful number, since it uses less digits than its factorization.

6996021750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109366 (or 3109353 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 6996021750 is about 83642.2246834695. The cubic root of 6996021750 is about 1912.5687275058.

The spelling of 6996021750 in words is "six billion, nine hundred ninety-six million, twenty-one thousand, seven hundred fifty".