157472727 has 16 divisors (see below), whose sum is σ = 212109312. Its totient is φ = 103914720.

The previous prime is 157472641. The next prime is 157472747. The reversal of 157472727 is 727274751.

It is not a de Polignac number, because 157472727 - 2⁷ = 157472599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157472747) 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, 172402 + ... + 173312.

It is an arithmetic number, because the mean of its divisors is an integer number (13256832).

Almost surely, 2^157472727 is an apocalyptic number.

157472727 is a deficient number, since it is larger than the sum of its proper divisors (54636585).

157472727 is a wasteful number, since it uses less digits than its factorization.

157472727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its digits is 192080, while the sum is 42.

The square root of 157472727 is about 12548.8137686396. The cubic root of 157472727 is about 540.0099758102.

The spelling of 157472727 in words is "one hundred fifty-seven million, four hundred seventy-two thousand, seven hundred twenty-seven".