7182327640 has 32 divisors (see below), whose sum is σ = 16401440880. Its totient is φ = 2830050432.

The previous prime is 7182327629. The next prime is 7182327641. The reversal of 7182327640 is 467232817.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 7182327593 and 7182327602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7182327641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337307 + ... + 1342666.

Almost surely, 2^7182327640 is an apocalyptic number.

It is an amenable number.

7182327640 is an abundant number, since it is smaller than the sum of its proper divisors (9219113240).

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

7182327640 is a wasteful number, since it uses less digits than its factorization.

7182327640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680051 (or 2680047 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 7182327640 is about 84748.6143839532. The cubic root of 7182327640 is about 1929.3976159737.

The spelling of 7182327640 in words is "seven billion, one hundred eighty-two million, three hundred twenty-seven thousand, six hundred forty".