76550445 has 12 divisors (see below), whose sum is σ = 132687516. Its totient is φ = 40826880.

The previous prime is 76550443. The next prime is 76550477. The reversal of 76550445 is 54405567.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32114889 + 44435556 = 5667^2 + 6666^2 .

It is not a de Polignac number, because 76550445 - 2¹ = 76550443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76550443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 850516 + ... + 850605.

It is an arithmetic number, because the mean of its divisors is an integer number (11057293).

Almost surely, 2^76550445 is an apocalyptic number.

It is an amenable number.

76550445 is a deficient number, since it is larger than the sum of its proper divisors (56137071).

76550445 is a wasteful number, since it uses less digits than its factorization.

76550445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701132 (or 1701129 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 76550445 is about 8749.3111157393. The cubic root of 76550445 is about 424.6025257318.

The spelling of 76550445 in words is "seventy-six million, five hundred fifty thousand, four hundred forty-five".