73730636 has 24 divisors (see below), whose sum is σ = 147952896. Its totient is φ = 31493520.

The previous prime is 73730633. The next prime is 73730641. The reversal of 73730636 is 63603737.

It is a junction number, because it is equal to n+sod(n) for n = 73730596 and 73730605.

It is not an unprimeable number, because it can be changed into a prime (73730633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475 + ... + 12941.

It is an arithmetic number, because the mean of its divisors is an integer number (6164704).

Almost surely, 2^73730636 is an apocalyptic number.

It is an amenable number.

73730636 is an abundant number, since it is smaller than the sum of its proper divisors (74222260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73730636 is a wasteful number, since it uses less digits than its factorization.

73730636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8789 (or 8787 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 35.

The square root of 73730636 is about 8586.6545289769. The cubic root of 73730636 is about 419.3236203188.

The spelling of 73730636 in words is "seventy-three million, seven hundred thirty thousand, six hundred thirty-six".