4072768156 has 12 divisors (see below), whose sum is σ = 7127847720. Its totient is φ = 2036240240.

The previous prime is 4072768153. The next prime is 4072768157. The reversal of 4072768156 is 6518672704.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072768153) 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, 51246 + ... + 103786.

It is an arithmetic number, because the mean of its divisors is an integer number (593987310).

Almost surely, 2^4072768156 is an apocalyptic number.

It is an amenable number.

4072768156 is a deficient number, since it is larger than the sum of its proper divisors (3055079564).

4072768156 is a wasteful number, since it uses less digits than its factorization.

4072768156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71924 (or 71922 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 4072768156 is about 63818.2431284347. The cubic root of 4072768156 is about 1596.9692831594.

The spelling of 4072768156 in words is "four billion, seventy-two million, seven hundred sixty-eight thousand, one hundred fifty-six".