77018241 has 8 divisors (see below), whose sum is σ = 102731904. Its totient is φ = 51325040.

The previous prime is 77018209. The next prime is 77018251. The reversal of 77018241 is 14281077.

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 77018241 - 2⁵ = 77018209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77018199 and 77018208.

It is not an unprimeable number, because it can be changed into a prime (77018251) 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 7 ways as a sum of consecutive naturals, for example, 10360 + ... + 16166.

It is an arithmetic number, because the mean of its divisors is an integer number (12841488).

Almost surely, 2^77018241 is an apocalyptic number.

It is an amenable number.

77018241 is a deficient number, since it is larger than the sum of its proper divisors (25713663).

77018241 is a wasteful number, since it uses less digits than its factorization.

77018241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 77018241 is about 8776.0037032809. The cubic root of 77018241 is about 425.4656782603.

The spelling of 77018241 in words is "seventy-seven million, eighteen thousand, two hundred forty-one".