7745424130 has 8 divisors (see below), whose sum is σ = 13941763452. Its totient is φ = 3098169648.

The previous prime is 7745424091. The next prime is 7745424131. The reversal of 7745424130 is 314245477.

It can be written as a sum of positive squares in 2 ways, for example, as 6969077361 + 776346769 = 83481^2 + 27863^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 7745424130.

It is not an unprimeable number, because it can be changed into a prime (7745424131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387271197 + ... + 387271216.

Almost surely, 2^7745424130 is an apocalyptic number.

7745424130 is a deficient number, since it is larger than the sum of its proper divisors (6196339322).

7745424130 is a wasteful number, since it uses less digits than its factorization.

7745424130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774542420.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 7745424130 is about 88008.0912757458. The cubic root of 7745424130 is about 1978.5562486453.

The spelling of 7745424130 in words is "seven billion, seven hundred forty-five million, four hundred twenty-four thousand, one hundred thirty".