7146685530 has 48 divisors (see below), whose sum is σ = 18699772104. Its totient is φ = 1893640320.

The previous prime is 7146685501. The next prime is 7146685537. The reversal of 7146685530 is 355866417.

7146685530 is a `hidden beast` number, since 71 + 46 + 6 + 8 + 5 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6758319681 + 388365849 = 82209^2 + 19707^2 .

It is a super-3 number, since 3×7146685530³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (7146685537) 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, 238761 + ... + 267020.

Almost surely, 2^7146685530 is an apocalyptic number.

7146685530 is an abundant number, since it is smaller than the sum of its proper divisors (11553086574).

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

7146685530 is a wasteful number, since it uses less digits than its factorization.

7146685530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505951 (or 505948 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 7146685530 is about 84538.0714826166. The cubic root of 7146685530 is about 1926.2007939516.

The spelling of 7146685530 in words is "seven billion, one hundred forty-six million, six hundred eighty-five thousand, five hundred thirty".