73243736 has 16 divisors (see below), whose sum is σ = 137487240. Its totient is φ = 36580480.

The previous prime is 73243733. The next prime is 73243739. The reversal of 73243736 is 63734237.

It is an interprime number because it is at equal distance from previous prime (73243733) and next prime (73243739).

It is a junction number, because it is equal to n+sod(n) for n = 73243696 and 73243705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73243733) 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, 3131 + ... + 12501.

Almost surely, 2^73243736 is an apocalyptic number.

It is an amenable number.

73243736 is a deficient number, since it is larger than the sum of its proper divisors (64243504).

73243736 is a wasteful number, since it uses less digits than its factorization.

73243736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10354 (or 10350 counting only the distinct ones).

The product of its digits is 63504, while the sum is 35.

The square root of 73243736 is about 8558.2554297006. The cubic root of 73243736 is about 418.3985423798.

The spelling of 73243736 in words is "seventy-three million, two hundred forty-three thousand, seven hundred thirty-six".