7630534818 has 12 divisors (see below), whose sum is σ = 16532825478. Its totient is φ = 2543511600.

The previous prime is 7630534817. The next prime is 7630534819. The reversal of 7630534818 is 8184350367.

7630534818 is a `hidden beast` number, since 7 + 6 + 30 + 534 + 81 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (7630534817) and next prime (7630534819).

It can be written as a sum of positive squares in only one way, i.e., 6624820449 + 1005714369 = 81393^2 + 31713^2 .

It is not an unprimeable number, because it can be changed into a prime (7630534817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211959283 + ... + 211959318.

Almost surely, 2^7630534818 is an apocalyptic number.

7630534818 is an abundant number, since it is smaller than the sum of its proper divisors (8902290660).

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

7630534818 is a wasteful number, since it uses less digits than its factorization.

7630534818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423918609 (or 423918606 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 7630534818 is about 87352.9325094470. The cubic root of 7630534818 is about 1968.7247123343.

The spelling of 7630534818 in words is "seven billion, six hundred thirty million, five hundred thirty-four thousand, eight hundred eighteen".