73766811 has 4 divisors (see below), whose sum is σ = 98355752. Its totient is φ = 49177872.

The previous prime is 73766809. The next prime is 73766813. The reversal of 73766811 is 11866737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11866737 = 3 ⋅3955579.

It is an interprime number because it is at equal distance from previous prime (73766809) and next prime (73766813).

It is not a de Polignac number, because 73766811 - 2¹ = 73766809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73766811.

It is not an unprimeable number, because it can be changed into a prime (73766813) 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, 12294466 + ... + 12294471.

It is an arithmetic number, because the mean of its divisors is an integer number (24588938).

Almost surely, 2^73766811 is an apocalyptic number.

73766811 is a deficient number, since it is larger than the sum of its proper divisors (24588941).

73766811 is a wasteful number, since it uses less digits than its factorization.

73766811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24588940.

The product of its digits is 42336, while the sum is 39.

The square root of 73766811 is about 8588.7607371495. The cubic root of 73766811 is about 419.3921877087.

The spelling of 73766811 in words is "seventy-three million, seven hundred sixty-six thousand, eight hundred eleven".