319799745 has 40 divisors (see below), whose sum is σ = 575340480. Its totient is φ = 169944480.

The previous prime is 319799731. The next prime is 319799761. The reversal of 319799745 is 547997913.

It is a happy number.

It is not a de Polignac number, because 319799745 - 2⁶ = 319799681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 319799691 and 319799700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 124686 + ... + 127224.

It is an arithmetic number, because the mean of its divisors is an integer number (14383512).

Almost surely, 2^319799745 is an apocalyptic number.

It is an amenable number.

319799745 is a deficient number, since it is larger than the sum of its proper divisors (255540735).

319799745 is a wasteful number, since it uses less digits than its factorization.

319799745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2858 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 319799745 is about 17882.9456466210. The cubic root of 319799745 is about 683.8476692170.

The spelling of 319799745 in words is "three hundred nineteen million, seven hundred ninety-nine thousand, seven hundred forty-five".