7521010964 has 12 divisors (see below), whose sum is σ = 13194925044. Its totient is φ = 3751032384.

The previous prime is 7521010909. The next prime is 7521010969. The reversal of 7521010964 is 4690101257.

It can be written as a sum of positive squares in 2 ways, for example, as 3961695364 + 3559315600 = 62942^2 + 59660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7521010969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366489 + ... + 2369664.

It is an arithmetic number, because the mean of its divisors is an integer number (1099577087).

Almost surely, 2^7521010964 is an apocalyptic number.

It is an amenable number.

7521010964 is a deficient number, since it is larger than the sum of its proper divisors (5673914080).

7521010964 is a wasteful number, since it uses less digits than its factorization.

7521010964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736554 (or 4736552 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 7521010964 is about 86723.7623953205. The cubic root of 7521010964 is about 1959.2600083811.

The spelling of 7521010964 in words is "seven billion, five hundred twenty-one million, ten thousand, nine hundred sixty-four".