73277966 has 4 divisors (see below), whose sum is σ = 109916952. Its totient is φ = 36638982.

The previous prime is 73277929. The next prime is 73277993. The reversal of 73277966 is 66977237.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66977237 = 2917 ⋅22961.

It is a super-3 number, since 3×73277966³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73277966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18319490 + ... + 18319493.

It is an arithmetic number, because the mean of its divisors is an integer number (27479238).

Almost surely, 2^73277966 is an apocalyptic number.

73277966 is a deficient number, since it is larger than the sum of its proper divisors (36638986).

73277966 is a wasteful number, since it uses less digits than its factorization.

73277966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36638985.

The product of its digits is 666792, while the sum is 47.

The square root of 73277966 is about 8560.2550195657. The cubic root of 73277966 is about 418.4637108725.

The spelling of 73277966 in words is "seventy-three million, two hundred seventy-seven thousand, nine hundred sixty-six".