7581326652 has 48 divisors (see below), whose sum is σ = 19661241600. Its totient is φ = 2526343920.

The previous prime is 7581326633. The next prime is 7581326657. The reversal of 7581326652 is 2566231857.

7581326652 is a `hidden beast` number, since 7 + 581 + 3 + 2 + 6 + 65 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7581326598 and 7581326607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7581326657) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 433249 + ... + 450407.

It is an arithmetic number, because the mean of its divisors is an integer number (409609200).

Almost surely, 2^7581326652 is an apocalyptic number.

It is an amenable number.

7581326652 is an abundant number, since it is smaller than the sum of its proper divisors (12079914948).

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

7581326652 is a wasteful number, since it uses less digits than its factorization.

7581326652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21263 (or 21255 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 7581326652 is about 87070.8140079097. The cubic root of 7581326652 is about 1964.4835796930.

The spelling of 7581326652 in words is "seven billion, five hundred eighty-one million, three hundred twenty-six thousand, six hundred fifty-two".