7321943040 has 176 divisors, whose sum is σ = 23518556160. Its totient is φ = 1944207360.

The previous prime is 7321943029. The next prime is 7321943051. The reversal of 7321943040 is 403491237.

It is an interprime number because it is at equal distance from previous prime (7321943029) and next prime (7321943051).

It is a super-2 number, since 2×7321943040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7321942992 and 7321943010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4161681 + ... + 4163439.

It is an arithmetic number, because the mean of its divisors is an integer number (133628160).

Almost surely, 2^7321943040 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 7321943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11759278080).

7321943040 is an abundant number, since it is smaller than the sum of its proper divisors (16196613120).

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

7321943040 is a wasteful number, since it uses less digits than its factorization.

7321943040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 7321943040 is about 85568.3530284415. The cubic root of 7321943040 is about 1941.8191601657.

The spelling of 7321943040 in words is "seven billion, three hundred twenty-one million, nine hundred forty-three thousand, forty".