7004164640 has 48 divisors (see below), whose sum is σ = 18051647040. Its totient is φ = 2546968320.

The previous prime is 7004164633. The next prime is 7004164667. The reversal of 7004164640 is 464614007.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 7004164597 and 7004164606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988060 + ... + 1991579.

It is an arithmetic number, because the mean of its divisors is an integer number (376075980).

Almost surely, 2^7004164640 is an apocalyptic number.

It is an amenable number.

7004164640 is an abundant number, since it is smaller than the sum of its proper divisors (11047482400).

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

7004164640 is a wasteful number, since it uses less digits than its factorization.

7004164640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979665 (or 3979657 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 7004164640 is about 83690.8874370442. The cubic root of 7004164640 is about 1913.3104727878.

Adding to 7004164640 its reverse (464614007), we get a palindrome (7468778647).

The spelling of 7004164640 in words is "seven billion, four million, one hundred sixty-four thousand, six hundred forty".