30525320684 has 48 divisors (see below), whose sum is σ = 55994459136. Its totient is φ = 14543323200.

The previous prime is 30525320681. The next prime is 30525320687. The reversal of 30525320684 is 48602352503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30525320681) and next prime (30525320687).

It is a super-2 number, since 2×30525320684² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30525320681) 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, 3154814 + ... + 3164474.

It is an arithmetic number, because the mean of its divisors is an integer number (1166551232).

Almost surely, 2^30525320684 is an apocalyptic number.

It is an amenable number.

30525320684 is a deficient number, since it is larger than the sum of its proper divisors (25469138452).

30525320684 is a wasteful number, since it uses less digits than its factorization.

30525320684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086 (or 10084 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 30525320684 in words is "thirty billion, five hundred twenty-five million, three hundred twenty thousand, six hundred eighty-four".