4071396728 has 32 divisors (see below), whose sum is σ = 8727260160. Its totient is φ = 1744316640.

The previous prime is 4071396697. The next prime is 4071396731. The reversal of 4071396728 is 8276931704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193325 + ... + 213347.

It is an arithmetic number, because the mean of its divisors is an integer number (272726880).

Almost surely, 2^4071396728 is an apocalyptic number.

It is an amenable number.

4071396728 is an abundant number, since it is smaller than the sum of its proper divisors (4655863432).

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

4071396728 is a wasteful number, since it uses less digits than its factorization.

4071396728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667 (or 23663 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 4071396728 is about 63807.4974278102. The cubic root of 4071396728 is about 1596.7900132558.

The spelling of 4071396728 in words is "four billion, seventy-one million, three hundred ninety-six thousand, seven hundred twenty-eight".