3725511428 has 12 divisors (see below), whose sum is σ = 6729956352. Its totient is φ = 1802666760.

The previous prime is 3725511421. The next prime is 3725511479. The reversal of 3725511428 is 8241155273.

It is a junction number, because it is equal to n+sod(n) for n = 3725511391 and 3725511400.

It is not an unprimeable number, because it can be changed into a prime (3725511421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15022100 + ... + 15022347.

It is an arithmetic number, because the mean of its divisors is an integer number (560829696).

Almost surely, 2^3725511428 is an apocalyptic number.

It is an amenable number.

3725511428 is a deficient number, since it is larger than the sum of its proper divisors (3004444924).

3725511428 is a wasteful number, since it uses less digits than its factorization.

3725511428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30044482 (or 30044480 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 3725511428 is about 61036.9677162947. The cubic root of 3725511428 is about 1550.2270119117.

The spelling of 3725511428 in words is "three billion, seven hundred twenty-five million, five hundred eleven thousand, four hundred twenty-eight".