7720714 has 4 divisors (see below), whose sum is σ = 11581074. Its totient is φ = 3860356.

The previous prime is 7720697. The next prime is 7720717. The reversal of 7720714 is 4170277.

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., 4915089 + 2805625 = 2217^2 + 1675^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7720717) 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, 1930177 + ... + 1930180.

Almost surely, 2^7720714 is an apocalyptic number.

7720714 is a deficient number, since it is larger than the sum of its proper divisors (3860360).

7720714 is a wasteful number, since it uses less digits than its factorization.

7720714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860359.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 7720714 is about 2778.6172820308. The cubic root of 7720714 is about 197.6449952717.

The spelling of 7720714 in words is "seven million, seven hundred twenty thousand, seven hundred fourteen".