76566061 has 32 divisors (see below), whose sum is σ = 95760000. Its totient is φ = 60238080.

The previous prime is 76566043. The next prime is 76566071. The reversal of 76566061 is 16066567.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 76566061 - 2¹⁹ = 76041773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 76566061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76566031) 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 31 ways as a sum of consecutive naturals, for example, 153190 + ... + 153688.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 2^76566061 is an apocalyptic number.

It is an amenable number.

76566061 is a deficient number, since it is larger than the sum of its proper divisors (19193939).

76566061 is a wasteful number, since it uses less digits than its factorization.

76566061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 76566061 is about 8750.2034833483. The cubic root of 76566061 is about 424.6313962028.

The spelling of 76566061 in words is "seventy-six million, five hundred sixty-six thousand, sixty-one".