77241968 has 10 divisors (see below), whose sum is σ = 149656344. Its totient is φ = 38620976.

The previous prime is 77241961. The next prime is 77242007. The reversal of 77241968 is 86914277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77241961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2413796 + ... + 2413827.

Almost surely, 2^77241968 is an apocalyptic number.

It is an amenable number.

77241968 is a deficient number, since it is larger than the sum of its proper divisors (72414376).

77241968 is a wasteful number, since it uses less digits than its factorization.

77241968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827631 (or 4827625 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 77241968 is about 8788.7409792302. The cubic root of 77241968 is about 425.8772523571.

The spelling of 77241968 in words is "seventy-seven million, two hundred forty-one thousand, nine hundred sixty-eight".