694377380 has 48 divisors (see below), whose sum is σ = 1490756400. Its totient is φ = 271584768.

The previous prime is 694377371. The next prime is 694377407. The reversal of 694377380 is 83773496.

It is a happy number.

694377380 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 8 ways, for example, as 35736484 + 658640896 = 5978^2 + 25664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369002 + ... + 370878.

It is an arithmetic number, because the mean of its divisors is an integer number (31057425).

Almost surely, 2^694377380 is an apocalyptic number.

It is an amenable number.

694377380 is an abundant number, since it is smaller than the sum of its proper divisors (796379020).

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

694377380 is a wasteful number, since it uses less digits than its factorization.

694377380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 694377380 is about 26351.0413456470. The cubic root of 694377380 is about 885.5203000918.

The spelling of 694377380 in words is "six hundred ninety-four million, three hundred seventy-seven thousand, three hundred eighty".