6422943072 has 384 divisors, whose sum is σ = 22033686528. Its totient is φ = 1592524800.

The previous prime is 6422943029. The next prime is 6422943101. The reversal of 6422943072 is 2703492246.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 6422943072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10019872 + ... + 10020512.

It is an arithmetic number, because the mean of its divisors is an integer number (57379392).

Almost surely, 2^6422943072 is an apocalyptic number.

6422943072 is a gapful number since it is divisible by the number (62) 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 6422943072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11016843264).

6422943072 is an abundant number, since it is smaller than the sum of its proper divisors (15610743456).

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

6422943072 is a wasteful number, since it uses less digits than its factorization.

6422943072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 734 counting only the distinct ones).

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

The square root of 6422943072 is about 80143.2659179797. The cubic root of 6422943072 is about 1858.8514773300.

The spelling of 6422943072 in words is "six billion, four hundred twenty-two million, nine hundred forty-three thousand, seventy-two".