76665061 has 8 divisors (see below), whose sum is σ = 83697984. Its totient is φ = 69642720.

The previous prime is 76665059. The next prime is 76665089. The reversal of 76665061 is 16056667.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76665061 - 2¹ = 76665059 is a prime.

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 76665061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76665011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27640 + ... + 30286.

It is an arithmetic number, because the mean of its divisors is an integer number (10462248).

Almost surely, 2^76665061 is an apocalyptic number.

It is an amenable number.

76665061 is a deficient number, since it is larger than the sum of its proper divisors (7032923).

76665061 is a wasteful number, since it uses less digits than its factorization.

76665061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291.

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

The square root of 76665061 is about 8755.8586672011. The cubic root of 76665061 is about 424.8143336648.

The spelling of 76665061 in words is "seventy-six million, six hundred sixty-five thousand, sixty-one".