694078345 has 8 divisors (see below), whose sum is σ = 835070976. Its totient is φ = 553811376.

The previous prime is 694078339. The next prime is 694078349. The reversal of 694078345 is 543870496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 694078345 - 2⁹ = 694077833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 694078295 and 694078304.

It is not an unprimeable number, because it can be changed into a prime (694078349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179307 + ... + 183136.

It is an arithmetic number, because the mean of its divisors is an integer number (104383872).

Almost surely, 2^694078345 is an apocalyptic number.

It is an amenable number.

694078345 is a deficient number, since it is larger than the sum of its proper divisors (140992631).

694078345 is a wasteful number, since it uses less digits than its factorization.

694078345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362831.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 694078345 is about 26345.3666704413. The cubic root of 694078345 is about 885.3931648135.

The spelling of 694078345 in words is "six hundred ninety-four million, seventy-eight thousand, three hundred forty-five".