30069628 has 24 divisors (see below), whose sum is σ = 57182720. Its totient is φ = 13782960.

The previous prime is 30069623. The next prime is 30069631. The reversal of 30069628 is 82696003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30069593 and 30069602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30069623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4026 + ... + 8737.

Almost surely, 2^30069628 is an apocalyptic number.

30069628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30069628 is a deficient number, since it is larger than the sum of its proper divisors (27113092).

30069628 is a wasteful number, since it uses less digits than its factorization.

30069628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817 (or 12815 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 30069628 is about 5483.5780289880. The cubic root of 30069628 is about 310.9634541755.

The spelling of 30069628 in words is "thirty million, sixty-nine thousand, six hundred twenty-eight".