7320625987 has 16 divisors (see below), whose sum is σ = 7475055840. Its totient is φ = 7168232448.

The previous prime is 7320625967. The next prime is 7320625997. The reversal of 7320625987 is 7895260237.

It is a cyclic number.

It is not a de Polignac number, because 7320625987 - 2¹¹ = 7320623939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7320625987.

It is not an unprimeable number, because it can be changed into a prime (7320625927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4095708 + ... + 4097494.

It is an arithmetic number, because the mean of its divisors is an integer number (467190990).

Almost surely, 2^7320625987 is an apocalyptic number.

7320625987 is a deficient number, since it is larger than the sum of its proper divisors (154429853).

7320625987 is a wasteful number, since it uses less digits than its factorization.

7320625987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 7320625987 is about 85560.6567705040. The cubic root of 7320625987 is about 1941.7027233085.

The spelling of 7320625987 in words is "seven billion, three hundred twenty million, six hundred twenty-five thousand, nine hundred eighty-seven".