73765636 has 12 divisors (see below), whose sum is σ = 147531328. Its totient is φ = 31613832.

The previous prime is 73765633. The next prime is 73765651. The reversal of 73765636 is 63656737.

73765636 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73765592 and 73765601.

It is not an unprimeable number, because it can be changed into a prime (73765631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317216 + ... + 1317271.

Almost surely, 2^73765636 is an apocalyptic number.

It is an amenable number.

73765636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

73765636 is a wasteful number, since it uses less digits than its factorization.

73765636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634498 (or 2634496 counting only the distinct ones).

The product of its digits is 476280, while the sum is 43.

The square root of 73765636 is about 8588.6923335278. The cubic root of 73765636 is about 419.3899609240.

The spelling of 73765636 in words is "seventy-three million, seven hundred sixty-five thousand, six hundred thirty-six".