694883772 has 144 divisors (see below), whose sum is σ = 2104607232. Its totient is φ = 198132480.

The previous prime is 694883771. The next prime is 694883801. The reversal of 694883772 is 277388496.

694883772 is a `hidden beast` number, since 69 + 488 + 37 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694883771) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179853 + ... + 183675.

It is an arithmetic number, because the mean of its divisors is an integer number (14615328).

Almost surely, 2^694883772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694883772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052303616).

694883772 is an abundant number, since it is smaller than the sum of its proper divisors (1409723460).

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

694883772 is a wasteful number, since it uses less digits than its factorization.

694883772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3856 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 694883772 is about 26360.6481710902. The cubic root of 694883772 is about 885.7355103630.

The spelling of 694883772 in words is "six hundred ninety-four million, eight hundred eighty-three thousand, seven hundred seventy-two".