694077642 has 48 divisors (see below), whose sum is σ = 1535613768. Its totient is φ = 226506240.

The previous prime is 694077617. The next prime is 694077653. The reversal of 694077642 is 246770496.

694077642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 523540161 + 170537481 = 22881^2 + 13059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254478 + ... + 257190.

Almost surely, 2^694077642 is an apocalyptic number.

694077642 is an abundant number, since it is smaller than the sum of its proper divisors (841536126).

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

694077642 is a wasteful number, since it uses less digits than its factorization.

694077642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3012 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 694077642 is about 26345.3533284335. The cubic root of 694077642 is about 885.3928658887.

The spelling of 694077642 in words is "six hundred ninety-four million, seventy-seven thousand, six hundred forty-two".