694972880 has 320 divisors, whose sum is σ = 2095104000. Its totient is φ = 213373440.

The previous prime is 694972867. The next prime is 694972909. The reversal of 694972880 is 88279496.

694972880 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16162139 + ... + 16162181.

It is an arithmetic number, because the mean of its divisors is an integer number (6547200).

Almost surely, 2^694972880 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 694972880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047552000).

694972880 is an abundant number, since it is smaller than the sum of its proper divisors (1400131120).

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

694972880 is a wasteful number, since it uses less digits than its factorization.

694972880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 694972880 is about 26362.3382877923. The cubic root of 694972880 is about 885.7733693305.

The spelling of 694972880 in words is "six hundred ninety-four million, nine hundred seventy-two thousand, eight hundred eighty".