77318041 has 4 divisors (see below), whose sum is σ = 77336784. Its totient is φ = 77299300.

The previous prime is 77318039. The next prime is 77318053. The reversal of 77318041 is 14081377.

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 77318041 - 2¹ = 77318039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77317994 and 77318012.

It is not an unprimeable number, because it can be changed into a prime (77318741) 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, 175 + ... + 12436.

It is an arithmetic number, because the mean of its divisors is an integer number (19334196).

Almost surely, 2^77318041 is an apocalyptic number.

It is an amenable number.

77318041 is a deficient number, since it is larger than the sum of its proper divisors (18743).

77318041 is a wasteful number, since it uses less digits than its factorization.

77318041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18742.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 77318041 is about 8793.0677809283. The cubic root of 77318041 is about 426.0170171812.

The spelling of 77318041 in words is "seventy-seven million, three hundred eighteen thousand, forty-one".