30056630 has 16 divisors (see below), whose sum is σ = 56454624. Its totient is φ = 11499840.

The previous prime is 30056599. The next prime is 30056633. The reversal of 30056630 is 3665003.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 30056596 and 30056605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30056633) 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, 65111 + ... + 65570.

It is an arithmetic number, because the mean of its divisors is an integer number (3528414).

Almost surely, 2^30056630 is an apocalyptic number.

30056630 is a deficient number, since it is larger than the sum of its proper divisors (26397994).

30056630 is a wasteful number, since it uses less digits than its factorization.

30056630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130711.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 30056630 is about 5482.3927258087. The cubic root of 30056630 is about 310.9186416767.

The spelling of 30056630 in words is "thirty million, fifty-six thousand, six hundred thirty".