73616791 has 4 divisors (see below), whose sum is σ = 75606472. Its totient is φ = 71627112.

The previous prime is 73616789. The next prime is 73616797. The reversal of 73616791 is 19761637.

It is a happy number.

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 73616791 - 2¹ = 73616789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73616797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994785 + ... + 994858.

It is an arithmetic number, because the mean of its divisors is an integer number (18901618).

Almost surely, 2^73616791 is an apocalyptic number.

73616791 is a deficient number, since it is larger than the sum of its proper divisors (1989681).

73616791 is a wasteful number, since it uses less digits than its factorization.

73616791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989680.

The product of its digits is 47628, while the sum is 40.

The square root of 73616791 is about 8580.0227855175. The cubic root of 73616791 is about 419.1076879673.

The spelling of 73616791 in words is "seventy-three million, six hundred sixteen thousand, seven hundred ninety-one".