7315390320 has 240 divisors, whose sum is σ = 26449869600. Its totient is φ = 1667678208.

The previous prime is 7315390319. The next prime is 7315390337. The reversal of 7315390320 is 230935137.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6973156 + ... + 6974204.

It is an arithmetic number, because the mean of its divisors is an integer number (110207790).

Almost surely, 2^7315390320 is an apocalyptic number.

7315390320 is a gapful number since it is divisible by the number (70) 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 7315390320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13224934800).

7315390320 is an abundant number, since it is smaller than the sum of its proper divisors (19134479280).

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

7315390320 is a wasteful number, since it uses less digits than its factorization.

7315390320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 7315390320 is about 85530.0550683793. The cubic root of 7315390320 is about 1941.2397149340.

The spelling of 7315390320 in words is "seven billion, three hundred fifteen million, three hundred ninety thousand, three hundred twenty".