694061472 has 96 divisors (see below), whose sum is σ = 1976667840. Its totient is φ = 211968000.

The previous prime is 694061441. The next prime is 694061479. The reversal of 694061472 is 274160496.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 694061472.

It is not an unprimeable number, because it can be changed into a prime (694061479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171472 + ... + 175472.

It is an arithmetic number, because the mean of its divisors is an integer number (20590290).

Almost surely, 2^694061472 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 694061472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988333920).

694061472 is an abundant number, since it is smaller than the sum of its proper divisors (1282606368).

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

694061472 is a wasteful number, since it uses less digits than its factorization.

694061472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166 (or 4158 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 694061472 is about 26345.0464414091. The cubic root of 694061472 is about 885.3859901383.

The spelling of 694061472 in words is "six hundred ninety-four million, sixty-one thousand, four hundred seventy-two".