694078 has 16 divisors (see below), whose sum is σ = 1298304. Its totient is φ = 270360.

The previous prime is 694069. The next prime is 694079. The reversal of 694078 is 870496.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694079) by changing a digit.

694078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (81144).

2⁶⁹⁴⁰⁷⁸ is an apocalyptic number.

694078 is a deficient number, since it is larger than the sum of its proper divisors (604226).

694078 is a wasteful number, since it uses less digits than its factorization.

694078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 694078 is about 833.1134376542. The cubic root of 694078 is about 88.5393018115.

It can be divided in two parts, 6940 and 78, that multiplied together give a triangular number (541320 = T₁₀₄₀).

The spelling of 694078 in words is "six hundred ninety-four thousand, seventy-eight".