312727194 has 96 divisors (see below), whose sum is σ = 793228800. Its totient is φ = 88179840.

The previous prime is 312727193. The next prime is 312727243. The reversal of 312727194 is 491727213.

It is a super-2 number, since 2×312727194² = 195596595734227272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312727193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136692 + ... + 138960.

It is an arithmetic number, because the mean of its divisors is an integer number (8262800).

Almost surely, 2^312727194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312727194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396614400).

312727194 is an abundant number, since it is smaller than the sum of its proper divisors (480501606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312727194 is a wasteful number, since it uses less digits than its factorization.

312727194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340 (or 2337 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 312727194 is about 17684.0943788479. The cubic root of 312727194 is about 678.7688174835.

The spelling of 312727194 in words is "three hundred twelve million, seven hundred twenty-seven thousand, one hundred ninety-four".