3715732428 has 12 divisors (see below), whose sum is σ = 8670042360. Its totient is φ = 1238577472.

The previous prime is 3715732411. The next prime is 3715732429. The reversal of 3715732428 is 8242375173.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3715732428.

It is not an unprimeable number, because it can be changed into a prime (3715732429) 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 in 3 ways as a sum of consecutive naturals, for example, 154822173 + ... + 154822196.

It is an arithmetic number, because the mean of its divisors is an integer number (722503530).

Almost surely, 2^3715732428 is an apocalyptic number.

It is an amenable number.

3715732428 is an abundant number, since it is smaller than the sum of its proper divisors (4954309932).

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

3715732428 is a wasteful number, since it uses less digits than its factorization.

3715732428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309644376 (or 309644374 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 3715732428 is about 60956.8078888650. The cubic root of 3715732428 is about 1548.8694396073.

The spelling of 3715732428 in words is "three billion, seven hundred fifteen million, seven hundred thirty-two thousand, four hundred twenty-eight".