3952721704 has 8 divisors (see below), whose sum is σ = 7411353210. Its totient is φ = 1976360848.

The previous prime is 3952721659. The next prime is 3952721713. The reversal of 3952721704 is 4071272593.

It can be written as a sum of positive squares in only one way, i.e., 2061341604 + 1891380100 = 45402^2 + 43490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 247045099 + ... + 247045114.

Almost surely, 2^3952721704 is an apocalyptic number.

It is an amenable number.

3952721704 is a deficient number, since it is larger than the sum of its proper divisors (3458631506).

3952721704 is a wasteful number, since it uses less digits than its factorization.

3952721704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494090219 (or 494090215 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 3952721704 is about 62870.6744357017. The cubic root of 3952721704 is about 1581.1221137461.

The spelling of 3952721704 in words is "three billion, nine hundred fifty-two million, seven hundred twenty-one thousand, seven hundred four".