7720314 has 32 divisors (see below), whose sum is σ = 18026496. Its totient is φ = 2158320.

The previous prime is 7720313. The next prime is 7720319. The reversal of 7720314 is 4130277.

It is not an unprimeable number, because it can be changed into a prime (7720313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19 + ... + 3929.

It is an arithmetic number, because the mean of its divisors is an integer number (563328).

Almost surely, 2^7720314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7720314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9013248).

7720314 is an abundant number, since it is smaller than the sum of its proper divisors (10306182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7720314 is a wasteful number, since it uses less digits than its factorization.

7720314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 7720314 is about 2778.5453028518. The cubic root of 7720314 is about 197.6415819707.

The spelling of 7720314 in words is "seven million, seven hundred twenty thousand, three hundred fourteen".