157533727 has 4 divisors (see below), whose sum is σ = 169651720. Its totient is φ = 145415736.

The previous prime is 157533703. The next prime is 157533749. The reversal of 157533727 is 727335751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157533727 - 2²³ = 149145119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157533727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157533757) 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, 6058977 + ... + 6059002.

It is an arithmetic number, because the mean of its divisors is an integer number (42412930).

Almost surely, 2^157533727 is an apocalyptic number.

157533727 is a deficient number, since it is larger than the sum of its proper divisors (12117993).

157533727 is a wasteful number, since it uses less digits than its factorization.

157533727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117992.

The product of its digits is 154350, while the sum is 40.

The square root of 157533727 is about 12551.2440419267. The cubic root of 157533727 is about 540.0796944565.

The spelling of 157533727 in words is "one hundred fifty-seven million, five hundred thirty-three thousand, seven hundred twenty-seven".