7187626964 has 72 divisors (see below), whose sum is σ = 15237488448. Its totient is φ = 2905632000.

The previous prime is 7187626949. The next prime is 7187626987. The reversal of 7187626964 is 4696267817.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2535692 + ... + 2538524.

It is an arithmetic number, because the mean of its divisors is an integer number (211631784).

Almost surely, 2^7187626964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7187626964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7618744224).

7187626964 is an abundant number, since it is smaller than the sum of its proper divisors (8049861484).

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

7187626964 is a wasteful number, since it uses less digits than its factorization.

7187626964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3112 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The square root of 7187626964 is about 84779.8735785800. The cubic root of 7187626964 is about 1929.8720206511.

The spelling of 7187626964 in words is "seven billion, one hundred eighty-seven million, six hundred twenty-six thousand, nine hundred sixty-four".