77241712 has 20 divisors (see below), whose sum is σ = 150024376. Its totient is φ = 38525760.

The previous prime is 77241701. The next prime is 77241719. The reversal of 77241712 is 21714277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77241719) 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 in 3 ways as a sum of consecutive naturals, for example, 1003 + ... + 12469.

Almost surely, 2^77241712 is an apocalyptic number.

It is an amenable number.

77241712 is a deficient number, since it is larger than the sum of its proper divisors (72782664).

77241712 is a wasteful number, since it uses less digits than its factorization.

77241712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11896 (or 11890 counting only the distinct ones).

The product of its digits is 5488, while the sum is 31.

The square root of 77241712 is about 8788.7264151298. The cubic root of 77241712 is about 425.8767818672.

Adding to 77241712 its reverse (21714277), we get a palindrome (98955989).

The spelling of 77241712 in words is "seventy-seven million, two hundred forty-one thousand, seven hundred twelve".