7716450730 has 32 divisors (see below), whose sum is σ = 14225192784. Its totient is φ = 3012612096.

The previous prime is 7716450727. The next prime is 7716450733. The reversal of 7716450730 is 370546177.

It is an interprime number because it is at equal distance from previous prime (7716450727) and next prime (7716450733).

It can be written as a sum of positive squares in 8 ways, for example, as 5581733521 + 2134717209 = 74711^2 + 46203^2 .

It is a super-2 number, since 2×7716450730² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7716450733) 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, 64572 + ... + 140008.

Almost surely, 2^7716450730 is an apocalyptic number.

7716450730 is a deficient number, since it is larger than the sum of its proper divisors (6508742054).

7716450730 is a wasteful number, since it uses less digits than its factorization.

7716450730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75690.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 7716450730 is about 87843.3305948721. The cubic root of 7716450730 is about 1976.0860964210.

The spelling of 7716450730 in words is "seven billion, seven hundred sixteen million, four hundred fifty thousand, seven hundred thirty".