6722951040 has 192 divisors, whose sum is σ = 25001252640. Its totient is φ = 1654861824.

The previous prime is 6722951029. The next prime is 6722951041. The reversal of 6722951040 is 401592276.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6722950986 and 6722951004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722951041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29989 + ... + 119771.

Almost surely, 2^6722951040 is an apocalyptic number.

6722951040 is a gapful number since it is divisible by the number (60) 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 6722951040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12500626320).

6722951040 is an abundant number, since it is smaller than the sum of its proper divisors (18278301600).

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

6722951040 is a wasteful number, since it uses less digits than its factorization.

6722951040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89821 (or 89806 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 6722951040 is about 81993.6036529680. The cubic root of 6722951040 is about 1887.3537839165.

The spelling of 6722951040 in words is "six billion, seven hundred twenty-two million, nine hundred fifty-one thousand, forty".