79634573 has 4 divisors (see below), whose sum is σ = 79678620. Its totient is φ = 79590528.

The previous prime is 79634549. The next prime is 79634593. The reversal of 79634573 is 37543697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37543697 = 31 ⋅1211087.

It can be written as a sum of positive squares in 2 ways, for example, as 26081449 + 53553124 = 5107^2 + 7318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79634573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79634543) 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 3 ways as a sum of consecutive naturals, for example, 19190 + ... + 22967.

It is an arithmetic number, because the mean of its divisors is an integer number (19919655).

Almost surely, 2^79634573 is an apocalyptic number.

It is an amenable number.

79634573 is a deficient number, since it is larger than the sum of its proper divisors (44047).

79634573 is a wasteful number, since it uses less digits than its factorization.

79634573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44046.

The product of its digits is 476280, while the sum is 44.

The square root of 79634573 is about 8923.8205383121. The cubic root of 79634573 is about 430.2298626795.

It can be divided in two parts, 796345 and 73, that multiplied together give a palindrome (58133185).

The spelling of 79634573 in words is "seventy-nine million, six hundred thirty-four thousand, five hundred seventy-three".