73280036 has 24 divisors (see below), whose sum is σ = 136627680. Its totient is φ = 34290432.

The previous prime is 73280033. The next prime is 73280057. The reversal of 73280036 is 63008237.

It is a super-3 number, since 3×73280036³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 73279990 and 73280008.

It is not an unprimeable number, because it can be changed into a prime (73280033) 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 in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 12116.

It is an arithmetic number, because the mean of its divisors is an integer number (5692820).

Almost surely, 2^73280036 is an apocalyptic number.

73280036 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

73280036 is a deficient number, since it is larger than the sum of its proper divisors (63347644).

73280036 is a wasteful number, since it uses less digits than its factorization.

73280036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723 (or 11721 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 73280036 is about 8560.3759263247. The cubic root of 73280036 is about 418.4676511735.

The spelling of 73280036 in words is "seventy-three million, two hundred eighty thousand, thirty-six".