76717061 has 4 divisors (see below), whose sum is σ = 77052300. Its totient is φ = 76381824.

The previous prime is 76717037. The next prime is 76717097. The reversal of 76717061 is 16071767.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41088100 + 35628961 = 6410^2 + 5969^2 .

It is a cyclic number.

It is not a de Polignac number, because 76717061 - 2¹⁰ = 76716037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76717001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167276 + ... + 167733.

It is an arithmetic number, because the mean of its divisors is an integer number (19263075).

Almost surely, 2^76717061 is an apocalyptic number.

It is an amenable number.

76717061 is a deficient number, since it is larger than the sum of its proper divisors (335239).

76717061 is a wasteful number, since it uses less digits than its factorization.

76717061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335238.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 76717061 is about 8758.8276041945. The cubic root of 76717061 is about 424.9103589489.

The spelling of 76717061 in words is "seventy-six million, seven hundred seventeen thousand, sixty-one".