73051776 has 96 divisors (see below), whose sum is σ = 240271200. Its totient is φ = 20869632.

The previous prime is 73051753. The next prime is 73051777. The reversal of 73051776 is 67715037.

73051776 is a `hidden beast` number, since 73 + 0 + 517 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 73051776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73051777) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 3535 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (2502825).

Almost surely, 2^73051776 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 73051776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120135600).

73051776 is an abundant number, since it is smaller than the sum of its proper divisors (167219424).

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

73051776 is a wasteful number, since it uses less digits than its factorization.

73051776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086 (or 9071 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 73051776 is about 8547.0331694688. The cubic root of 73051776 is about 418.0327042626.

The spelling of 73051776 in words is "seventy-three million, fifty-one thousand, seven hundred seventy-six".