73008730 has 16 divisors (see below), whose sum is σ = 132153120. Its totient is φ = 29039632.

The previous prime is 73008721. The next prime is 73008731. The reversal of 73008730 is 3780037.

It is not an unprimeable number, because it can be changed into a prime (73008731) 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, 18604 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (8259570).

Almost surely, 2^73008730 is an apocalyptic number.

73008730 is a deficient number, since it is larger than the sum of its proper divisors (59144390).

73008730 is a wasteful number, since it uses less digits than its factorization.

73008730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40973.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 73008730 is about 8544.5146146519. The cubic root of 73008730 is about 417.9505790796.

Adding to 73008730 its reverse (3780037), we get a palindrome (76788767).

The spelling of 73008730 in words is "seventy-three million, eight thousand, seven hundred thirty".