694780074 has 24 divisors (see below), whose sum is σ = 1533761892. Its totient is φ = 227223360.

The previous prime is 694780069. The next prime is 694780081. The reversal of 694780074 is 470087496.

It can be written as a sum of positive squares in 2 ways, for example, as 672624225 + 22155849 = 25935^2 + 4707^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363187 + ... + 365094.

Almost surely, 2^694780074 is an apocalyptic number.

694780074 is an abundant number, since it is smaller than the sum of its proper divisors (838981818).

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

694780074 is a wasteful number, since it uses less digits than its factorization.

694780074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728342 (or 728339 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 694780074 is about 26358.6811885572. The cubic root of 694780074 is about 885.6914485242.

The spelling of 694780074 in words is "six hundred ninety-four million, seven hundred eighty thousand, seventy-four".