6722470788 has 96 divisors (see below), whose sum is σ = 18035136000. Its totient is φ = 1927457280.

The previous prime is 6722470787. The next prime is 6722470789. The reversal of 6722470788 is 8870742276.

It is an interprime number because it is at equal distance from previous prime (6722470787) and next prime (6722470789).

It is a super-2 number, since 2×6722470788² = 90383226991026681888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6722470788.

It is not an unprimeable number, because it can be changed into a prime (6722470787) 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, 3156508 + ... + 3158636.

It is an arithmetic number, because the mean of its divisors is an integer number (187866000).

Almost surely, 2^6722470788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6722470788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9017568000).

6722470788 is an abundant number, since it is smaller than the sum of its proper divisors (11312665212).

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

6722470788 is a wasteful number, since it uses less digits than its factorization.

6722470788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 51.

The square root of 6722470788 is about 81990.6750063689. The cubic root of 6722470788 is about 1887.3088419950.

The spelling of 6722470788 in words is "six billion, seven hundred twenty-two million, four hundred seventy thousand, seven hundred eighty-eight".