3973425408 has 72 divisors (see below), whose sum is σ = 11750138400. Its totient is φ = 1324472832.

The previous prime is 3973425389. The next prime is 3973425431. The reversal of 3973425408 is 8045243793.

3973425408 is a `hidden beast` number, since 39 + 73 + 4 + 2 + 540 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280518 + ... + 294341.

Almost surely, 2^3973425408 is an apocalyptic number.

It is an amenable number.

3973425408 is an abundant number, since it is smaller than the sum of its proper divisors (7776712992).

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

3973425408 is an equidigital number, since it uses as much as digits as its factorization.

3973425408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574884 (or 574864 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 3973425408 is about 63035.1125008911. The cubic root of 3973425408 is about 1583.8778601874.

The spelling of 3973425408 in words is "three billion, nine hundred seventy-three million, four hundred twenty-five thousand, four hundred eight".