77291714 has 4 divisors (see below), whose sum is σ = 115937574. Its totient is φ = 38645856.

The previous prime is 77291713. The next prime is 77291717. The reversal of 77291714 is 41719277.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76825225 + 466489 = 8765^2 + 683^2 .

It is not an unprimeable number, because it can be changed into a prime (77291713) 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 as a sum of consecutive naturals, namely, 19322927 + ... + 19322930.

Almost surely, 2^77291714 is an apocalyptic number.

77291714 is a deficient number, since it is larger than the sum of its proper divisors (38645860).

77291714 is a wasteful number, since it uses less digits than its factorization.

77291714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38645859.

The product of its digits is 24696, while the sum is 38.

The square root of 77291714 is about 8791.5706219082. The cubic root of 77291714 is about 425.9686583803.

The spelling of 77291714 in words is "seventy-seven million, two hundred ninety-one thousand, seven hundred fourteen".