3972528064 has 14 divisors (see below), whose sum is σ = 7882985504. Its totient is φ = 1986264000.

The previous prime is 3972528059. The next prime is 3972528067. The reversal of 3972528064 is 4608252793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972528067) 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 as a sum of consecutive naturals, namely, 31035312 + ... + 31035439.

Almost surely, 2^3972528064 is an apocalyptic number.

It is an amenable number.

3972528064 is a deficient number, since it is larger than the sum of its proper divisors (3910457440).

3972528064 is an equidigital number, since it uses as much as digits as its factorization.

3972528064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62070763 (or 62070753 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 3972528064 is about 63027.9942882526. The cubic root of 3972528064 is about 1583.7586187978.

The spelling of 3972528064 in words is "three billion, nine hundred seventy-two million, five hundred twenty-eight thousand, sixty-four".