7730813214 has 96 divisors (see below), whose sum is σ = 18306288000. Its totient is φ = 2348523072.

The previous prime is 7730813213. The next prime is 7730813227. The reversal of 7730813214 is 4123180377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7730813213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3043557 + ... + 3046095.

It is an arithmetic number, because the mean of its divisors is an integer number (190690500).

Almost surely, 2^7730813214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7730813214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9153144000).

7730813214 is an abundant number, since it is smaller than the sum of its proper divisors (10575474786).

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

7730813214 is a wasteful number, since it uses less digits than its factorization.

7730813214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 7730813214 is about 87925.0431560884. The cubic root of 7730813214 is about 1977.3113537951.

The spelling of 7730813214 in words is "seven billion, seven hundred thirty million, eight hundred thirteen thousand, two hundred fourteen".