4072757857 has 8 divisors (see below), whose sum is σ = 4762826816. Its totient is φ = 3409750512.

The previous prime is 4072757851. The next prime is 4072757891. The reversal of 4072757857 is 7587572704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4072757857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4072757851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6765078 + ... + 6765679.

It is an arithmetic number, because the mean of its divisors is an integer number (595353352).

Almost surely, 2^4072757857 is an apocalyptic number.

It is an amenable number.

4072757857 is a deficient number, since it is larger than the sum of its proper divisors (690068959).

4072757857 is a wasteful number, since it uses less digits than its factorization.

4072757857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530807.

The product of its (nonzero) digits is 3841600, while the sum is 52.

The square root of 4072757857 is about 63818.1624382902. The cubic root of 4072757857 is about 1596.9679370478.

The spelling of 4072757857 in words is "four billion, seventy-two million, seven hundred fifty-seven thousand, eight hundred fifty-seven".