76680049 has 4 divisors (see below), whose sum is σ = 76697920. Its totient is φ = 76662180.

The previous prime is 76680041. The next prime is 76680053. The reversal of 76680049 is 94008667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76680049 - 2³ = 76680041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76679993 and 76680020.

It is not an unprimeable number, because it can be changed into a prime (76680041) 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 3 ways as a sum of consecutive naturals, for example, 1804 + ... + 12514.

It is an arithmetic number, because the mean of its divisors is an integer number (19174480).

Almost surely, 2^76680049 is an apocalyptic number.

It is an amenable number.

76680049 is a deficient number, since it is larger than the sum of its proper divisors (17871).

76680049 is a wasteful number, since it uses less digits than its factorization.

76680049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 76680049 is about 8756.7145094493. The cubic root of 76680049 is about 424.8420155591.

The spelling of 76680049 in words is "seventy-six million, six hundred eighty thousand, forty-nine".