30470012 has 6 divisors (see below), whose sum is σ = 53322528. Its totient is φ = 15235004.

The previous prime is 30470003. The next prime is 30470017. The reversal of 30470012 is 21007403.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30470017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3808748 + ... + 3808755.

It is an arithmetic number, because the mean of its divisors is an integer number (8887088).

Almost surely, 2^30470012 is an apocalyptic number.

It is an amenable number.

30470012 is a deficient number, since it is larger than the sum of its proper divisors (22852516).

30470012 is a wasteful number, since it uses less digits than its factorization.

30470012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617507 (or 7617505 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30470012 is about 5519.9648549606. The cubic root of 30470012 is about 312.3375565334.

Adding to 30470012 its reverse (21007403), we get a palindrome (51477415).

The spelling of 30470012 in words is "thirty million, four hundred seventy thousand, twelve".