4708072521 has 12 divisors (see below), whose sum is σ = 6928862148. Its totient is φ = 3079493664.

The previous prime is 4708072519. The next prime is 4708072543. The reversal of 4708072521 is 1252708074.

It can be written as a sum of positive squares in 2 ways, for example, as 2194454025 + 2513618496 = 46845^2 + 50136^2 .

It is not a de Polignac number, because 4708072521 - 2¹ = 4708072519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4708072571) 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 11 ways as a sum of consecutive naturals, for example, 4934610 + ... + 4935563.

It is an arithmetic number, because the mean of its divisors is an integer number (577405179).

Almost surely, 2^4708072521 is an apocalyptic number.

It is an amenable number.

4708072521 is a deficient number, since it is larger than the sum of its proper divisors (2220789627).

4708072521 is a wasteful number, since it uses less digits than its factorization.

4708072521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870232 (or 9870229 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 4708072521 is about 68615.3956557856. The cubic root of 4708072521 is about 1676.0271440904.

The spelling of 4708072521 in words is "four billion, seven hundred eight million, seventy-two thousand, five hundred twenty-one".