315729027 has 12 divisors (see below), whose sum is σ = 475881744. Its totient is φ = 201334320.

The previous prime is 315728993. The next prime is 315729077. The reversal of 315729027 is 720927513.

It is not a de Polignac number, because 315729027 - 2⁷ = 315728899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315728982 and 315729000.

It is not an unprimeable number, because it can be changed into a prime (315729077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 762424 + ... + 762837.

It is an arithmetic number, because the mean of its divisors is an integer number (39656812).

Almost surely, 2^315729027 is an apocalyptic number.

315729027 is a deficient number, since it is larger than the sum of its proper divisors (160152717).

315729027 is a wasteful number, since it uses less digits than its factorization.

315729027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525290 (or 1525287 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 315729027 is about 17768.7654889134. The cubic root of 315729027 is about 680.9337137186.

The spelling of 315729027 in words is "three hundred fifteen million, seven hundred twenty-nine thousand, twenty-seven".