73263136 has 12 divisors (see below), whose sum is σ = 144236862. Its totient is φ = 36631552.

The previous prime is 73263133. The next prime is 73263139. The reversal of 73263136 is 63136237.

It is an interprime number because it is at equal distance from previous prime (73263133) and next prime (73263139).

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 5035536 = 8260^2 + 2244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73263098 and 73263107.

It is not an unprimeable number, because it can be changed into a prime (73263131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144705 + ... + 1144768.

Almost surely, 2^73263136 is an apocalyptic number.

It is an amenable number.

73263136 is a deficient number, since it is larger than the sum of its proper divisors (70973726).

73263136 is a wasteful number, since it uses less digits than its factorization.

73263136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289483 (or 2289475 counting only the distinct ones).

The product of its digits is 13608, while the sum is 31.

The square root of 73263136 is about 8559.3887632237. The cubic root of 73263136 is about 418.4354793960.

The spelling of 73263136 in words is "seventy-three million, two hundred sixty-three thousand, one hundred thirty-six".