3725978424 has 48 divisors (see below), whose sum is σ = 10835757000. Its totient is φ = 1064564928.

The previous prime is 3725978411. The next prime is 3725978441. The reversal of 3725978424 is 4248795273.

It is a super-2 number, since 2×3725978424² = 27765830432227047552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1582999 + ... + 1585350.

Almost surely, 2^3725978424 is an apocalyptic number.

It is an amenable number.

3725978424 is an abundant number, since it is smaller than the sum of its proper divisors (7109778576).

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

3725978424 is a wasteful number, since it uses less digits than its factorization.

3725978424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168372 (or 3168361 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 3725978424 is about 61040.7931141135. The cubic root of 3725978424 is about 1550.2917832932.

The spelling of 3725978424 in words is "three billion, seven hundred twenty-five million, nine hundred seventy-eight thousand, four hundred twenty-four".