73636051 has 4 divisors (see below), whose sum is σ = 73772704. Its totient is φ = 73499400.

The previous prime is 73636037. The next prime is 73636063. The reversal of 73636051 is 15063637.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73636051 - 2⁷ = 73635923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73636021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67515 + ... + 68596.

It is an arithmetic number, because the mean of its divisors is an integer number (18443176).

Almost surely, 2^73636051 is an apocalyptic number.

73636051 is a deficient number, since it is larger than the sum of its proper divisors (136653).

73636051 is a wasteful number, since it uses less digits than its factorization.

73636051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136652.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 73636051 is about 8581.1450867585. The cubic root of 73636051 is about 419.1442344767.

Adding to 73636051 its reverse (15063637), we get a palindrome (88699688).

The spelling of 73636051 in words is "seventy-three million, six hundred thirty-six thousand, fifty-one".