30470786930 has 16 divisors (see below), whose sum is σ = 54937785600. Its totient is φ = 12168232752.

The previous prime is 30470786921. The next prime is 30470786953. The reversal of 30470786930 is 3968707403.

It is a happy number.

It is a super-2 number, since 2×30470786930² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2503880 + ... + 2516019.

It is an arithmetic number, because the mean of its divisors is an integer number (3433611600).

Almost surely, 2^30470786930 is an apocalyptic number.

30470786930 is a deficient number, since it is larger than the sum of its proper divisors (24466998670).

30470786930 is a wasteful number, since it uses less digits than its factorization.

30470786930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020513.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 30470786930 in words is "thirty billion, four hundred seventy million, seven hundred eighty-six thousand, nine hundred thirty".