73115751 has 16 divisors (see below), whose sum is σ = 100124640. Its totient is φ = 47431680.

The previous prime is 73115747. The next prime is 73115767. The reversal of 73115751 is 15751137.

It is not a de Polignac number, because 73115751 - 2² = 73115747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73115741) 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, 94201 + ... + 94973.

It is an arithmetic number, because the mean of its divisors is an integer number (6257790).

Almost surely, 2^73115751 is an apocalyptic number.

73115751 is a deficient number, since it is larger than the sum of its proper divisors (27008889).

73115751 is a wasteful number, since it uses less digits than its factorization.

73115751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 3675, while the sum is 30.

The square root of 73115751 is about 8550.7748771676. The cubic root of 73115751 is about 418.1546991937.

Adding to 73115751 its reverse (15751137), we get a palindrome (88866888).

The spelling of 73115751 in words is "seventy-three million, one hundred fifteen thousand, seven hundred fifty-one".