7671349530 has 48 divisors (see below), whose sum is σ = 21479781960. Its totient is φ = 1888331904.

The previous prime is 7671349519. The next prime is 7671349531. The reversal of 7671349530 is 359431767.

7671349530 is a `hidden beast` number, since 7 + 6 + 71 + 3 + 49 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4700336481 + 2971013049 = 68559^2 + 54507^2 .

It is a super-2 number, since 2×7671349530² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7671349531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3277185 + ... + 3279524.

Almost surely, 2^7671349530 is an apocalyptic number.

7671349530 is an abundant number, since it is smaller than the sum of its proper divisors (13808432430).

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

7671349530 is a wasteful number, since it uses less digits than its factorization.

7671349530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556735 (or 6556732 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 7671349530 is about 87586.2405289781. The cubic root of 7671349530 is about 1972.2286209754.

The spelling of 7671349530 in words is "seven billion, six hundred seventy-one million, three hundred forty-nine thousand, five hundred thirty".