2072729157 has 16 divisors (see below), whose sum is σ = 2887602048. Its totient is φ = 1319996480.

The previous prime is 2072729143. The next prime is 2072729189. The reversal of 2072729157 is 7519272702.

It is a cyclic number.

It is not a de Polignac number, because 2072729157 - 2¹⁴ = 2072712773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072729257) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33907 + ... + 72767.

It is an arithmetic number, because the mean of its divisors is an integer number (180475128).

Almost surely, 2^2072729157 is an apocalyptic number.

It is an amenable number.

2072729157 is a deficient number, since it is larger than the sum of its proper divisors (814872891).

2072729157 is a wasteful number, since it uses less digits than its factorization.

2072729157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39660.

The product of its (nonzero) digits is 123480, while the sum is 42.

The square root of 2072729157 is about 45527.2353322712. The cubic root of 2072729157 is about 1275.0117455281.

The spelling of 2072729157 in words is "two billion, seventy-two million, seven hundred twenty-nine thousand, one hundred fifty-seven".