3974154728 has 32 divisors (see below), whose sum is σ = 7798714560. Its totient is φ = 1895013120.

The previous prime is 3974154707. The next prime is 3974154749. The reversal of 3974154728 is 8274514793.

3974154728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3974154707) and next prime (3974154749).

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, 29963 + ... + 94053.

It is an arithmetic number, because the mean of its divisors is an integer number (243709830).

Almost surely, 2^3974154728 is an apocalyptic number.

It is an amenable number.

3974154728 is a deficient number, since it is larger than the sum of its proper divisors (3824559832).

3974154728 is a wasteful number, since it uses less digits than its factorization.

3974154728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64457 (or 64453 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 3974154728 is about 63040.8972651881. The cubic root of 3974154728 is about 1583.9747608892.

The spelling of 3974154728 in words is "three billion, nine hundred seventy-four million, one hundred fifty-four thousand, seven hundred twenty-eight".