73630011 has 32 divisors (see below), whose sum is σ = 121605120. Its totient is φ = 38588544.

The previous prime is 73630001. The next prime is 73630013. The reversal of 73630011 is 11003637.

It is not a de Polignac number, because 73630011 - 2⁵ = 73629979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 73630011.

It is not an unprimeable number, because it can be changed into a prime (73630013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46450 + ... + 48008.

It is an arithmetic number, because the mean of its divisors is an integer number (3800160).

Almost surely, 2^73630011 is an apocalyptic number.

73630011 is a deficient number, since it is larger than the sum of its proper divisors (47975109).

73630011 is a wasteful number, since it uses less digits than its factorization.

73630011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 73630011 is about 8580.7931451586. The cubic root of 73630011 is about 419.1327740559.

Adding to 73630011 its reverse (11003637), we get a palindrome (84633648).

The spelling of 73630011 in words is "seventy-three million, six hundred thirty thousand, eleven".