73308730 has 32 divisors (see below), whose sum is σ = 144384768. Its totient is φ = 26577600.

The previous prime is 73308667. The next prime is 73308731. The reversal of 73308730 is 3780337.

It is a junction number, because it is equal to n+sod(n) for n = 73308692 and 73308701.

It is not an unprimeable number, because it can be changed into a prime (73308731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45519 + ... + 47101.

It is an arithmetic number, because the mean of its divisors is an integer number (4512024).

Almost surely, 2^73308730 is an apocalyptic number.

73308730 is a deficient number, since it is larger than the sum of its proper divisors (71076038).

73308730 is a wasteful number, since it uses less digits than its factorization.

73308730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 73308730 is about 8562.0517400913. The cubic root of 73308730 is about 418.5222633368.

It can be divided in two parts, 73 and 308730, that added together give a palindrome (308803).

The spelling of 73308730 in words is "seventy-three million, three hundred eight thousand, seven hundred thirty".