693494073 has 18 divisors (see below), whose sum is σ = 1061136414. Its totient is φ = 434929152.

The previous prime is 693494059. The next prime is 693494077. The reversal of 693494073 is 370494396.

693494073 is a `hidden beast` number, since 6 + 93 + 494 + 0 + 73 = 666.

693494073 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 3 ways, for example, as 53758224 + 639735849 = 7332^2 + 25293^2 .

It is not a de Polignac number, because 693494073 - 2¹⁰ = 693493049 is a prime.

It is a super-2 number, since 2×693494073² = 961868058572258658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (693494077) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 324673 + ... + 326801.

It is an arithmetic number, because the mean of its divisors is an integer number (58952023).

Almost surely, 2^693494073 is an apocalyptic number.

It is an amenable number.

693494073 is a deficient number, since it is larger than the sum of its proper divisors (367642341).

693494073 is an equidigital number, since it uses as much as digits as its factorization.

693494073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 693494073 is about 26334.2756308200. The cubic root of 693494073 is about 885.1446550867.

The spelling of 693494073 in words is "six hundred ninety-three million, four hundred ninety-four thousand, seventy-three".