73776276 has 72 divisors (see below), whose sum is σ = 217701120. Its totient is φ = 20627136.

The previous prime is 73776271. The next prime is 73776289. The reversal of 73776276 is 67267737.

73776276 is a `hidden beast` number, since 7 + 377 + 6 + 276 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73776271) 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 23 ways as a sum of consecutive naturals, for example, 8730 + ... + 14958.

Almost surely, 2^73776276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73776276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108850560).

73776276 is an abundant number, since it is smaller than the sum of its proper divisors (143924844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73776276 is a wasteful number, since it uses less digits than its factorization.

73776276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293 (or 6288 counting only the distinct ones).

The product of its digits is 518616, while the sum is 45.

The square root of 73776276 is about 8589.3117302843. The cubic root of 73776276 is about 419.4101243085.

The spelling of 73776276 in words is "seventy-three million, seven hundred seventy-six thousand, two hundred seventy-six".