73636712 has 8 divisors (see below), whose sum is σ = 138068850. Its totient is φ = 36818352.

The previous prime is 73636711. The next prime is 73636721. The reversal of 73636712 is 21763637.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66161956 + 7474756 = 8134^2 + 2734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (73636711) 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 as a sum of consecutive naturals, namely, 4602287 + ... + 4602302.

Almost surely, 2^73636712 is an apocalyptic number.

It is an amenable number.

73636712 is a deficient number, since it is larger than the sum of its proper divisors (64432138).

73636712 is a wasteful number, since it uses less digits than its factorization.

73636712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204595 (or 9204591 counting only the distinct ones).

The product of its digits is 31752, while the sum is 35.

The square root of 73636712 is about 8581.1836013454. The cubic root of 73636712 is about 419.1454886337.

The spelling of 73636712 in words is "seventy-three million, six hundred thirty-six thousand, seven hundred twelve".