694668347700 has 72 divisors (see below), whose sum is σ = 2042856436320. Its totient is φ = 182208086400.

The previous prime is 694668347641. The next prime is 694668347701. The reversal of 694668347700 is 7743866496.

It is a happy number.

It is a super-2 number, since 2×694668347700² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694668347701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18961710 + ... + 18998309.

It is an arithmetic number, because the mean of its divisors is an integer number (28373006060).

Almost surely, 2^694668347700 is an apocalyptic number.

694668347700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

694668347700 is an abundant number, since it is smaller than the sum of its proper divisors (1348188088620).

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

694668347700 is a wasteful number, since it uses less digits than its factorization.

694668347700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37960097 (or 37960090 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 694668347700 in words is "six hundred ninety-four billion, six hundred sixty-eight million, three hundred forty-seven thousand, seven hundred".