77407714 has 8 divisors (see below), whose sum is σ = 116175708. Its totient is φ = 38682480.

The previous prime is 77407711. The next prime is 77407723. The reversal of 77407714 is 41770477.

It can be written as a sum of positive squares in 2 ways, for example, as 75255625 + 2152089 = 8675^2 + 1467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (77407711) 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, 5697 + ... + 13684.

Almost surely, 2^77407714 is an apocalyptic number.

77407714 is a deficient number, since it is larger than the sum of its proper divisors (38767994).

77407714 is a wasteful number, since it uses less digits than its factorization.

77407714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21380.

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 77407714 is about 8798.1653769408. The cubic root of 77407714 is about 426.1816508772.

The spelling of 77407714 in words is "seventy-seven million, four hundred seven thousand, seven hundred fourteen".