4072047156 has 18 divisors (see below), whose sum is σ = 10293230402. Its totient is φ = 1357349040.

The previous prime is 4072047127. The next prime is 4072047163. The reversal of 4072047156 is 6517402704.

It can be written as a sum of positive squares in only one way, i.e., 2254730256 + 1817316900 = 47484^2 + 42630^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 113112421 = 4072047156 / (4 + 0 + 7 + 2 + 0 + 4 + 7 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 4072047156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56556175 + ... + 56556246.

Almost surely, 2^4072047156 is an apocalyptic number.

It is an amenable number.

4072047156 is an abundant number, since it is smaller than the sum of its proper divisors (6221183246).

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

4072047156 is a wasteful number, since it uses less digits than its factorization.

4072047156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113112431 (or 113112426 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 4072047156 is about 63812.5940234371. The cubic root of 4072047156 is about 1596.8750407211.

The spelling of 4072047156 in words is "four billion, seventy-two million, forty-seven thousand, one hundred fifty-six".