7325421705 has 80 divisors (see below), whose sum is σ = 15037608960. Its totient is φ = 3342031488.

The previous prime is 7325421673. The next prime is 7325421707. The reversal of 7325421705 is 5071245237.

It is not a de Polignac number, because 7325421705 - 2⁵ = 7325421673 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7325421705.

It is not an unprimeable number, because it can be changed into a prime (7325421707) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1576776 + ... + 1581414.

It is an arithmetic number, because the mean of its divisors is an integer number (187970112).

Almost surely, 2^7325421705 is an apocalyptic number.

It is an amenable number.

7325421705 is an abundant number, since it is smaller than the sum of its proper divisors (7712187255).

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

7325421705 is a wasteful number, since it uses less digits than its factorization.

7325421705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5211 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 7325421705 is about 85588.6774345766. The cubic root of 7325421705 is about 1942.1266317769.

The spelling of 7325421705 in words is "seven billion, three hundred twenty-five million, four hundred twenty-one thousand, seven hundred five".