314722378 has 4 divisors (see below), whose sum is σ = 472083570. Its totient is φ = 157361188.

The previous prime is 314722361. The next prime is 314722379. The reversal of 314722378 is 873227413.

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

It can be written as a sum of positive squares in only one way, i.e., 295599249 + 19123129 = 17193^2 + 4373^2 .

It is not an unprimeable number, because it can be changed into a prime (314722379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78680593 + ... + 78680596.

Almost surely, 2^314722378 is an apocalyptic number.

314722378 is a deficient number, since it is larger than the sum of its proper divisors (157361192).

314722378 is a wasteful number, since it uses less digits than its factorization.

314722378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157361191.

The product of its digits is 56448, while the sum is 37.

The square root of 314722378 is about 17740.4165114577. The cubic root of 314722378 is about 680.2092622966.

The spelling of 314722378 in words is "three hundred fourteen million, seven hundred twenty-two thousand, three hundred seventy-eight".