7345272320 has 80 divisors (see below), whose sum is σ = 18538478640. Its totient is φ = 2783453184.

The previous prime is 7345272313. The next prime is 7345272353. The reversal of 7345272320 is 232725437.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26867 + ... + 124146.

It is an arithmetic number, because the mean of its divisors is an integer number (231730983).

Almost surely, 2^7345272320 is an apocalyptic number.

It is an amenable number.

7345272320 is an abundant number, since it is smaller than the sum of its proper divisors (11193206320).

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

7345272320 is a wasteful number, since it uses less digits than its factorization.

7345272320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151055 (or 151039 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 35.

The square root of 7345272320 is about 85704.5641725107. The cubic root of 7345272320 is about 1943.8793243634.

Adding to 7345272320 its reverse (232725437), we get a palindrome (7577997757).

The spelling of 7345272320 in words is "seven billion, three hundred forty-five million, two hundred seventy-two thousand, three hundred twenty".