30627028 has 12 divisors (see below), whose sum is σ = 53953312. Its totient is φ = 15211800.

The previous prime is 30627019. The next prime is 30627029. The reversal of 30627028 is 82072603.

It is a super-2 number, since 2×30627028² = 1876029688225568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30626987 and 30627005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30627029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24750 + ... + 25957.

Almost surely, 2^30627028 is an apocalyptic number.

It is an amenable number.

30627028 is a deficient number, since it is larger than the sum of its proper divisors (23326284).

30627028 is a wasteful number, since it uses less digits than its factorization.

30627028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50862 (or 50860 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30627028 is about 5534.1691336641. The cubic root of 30627028 is about 312.8731431747.

The spelling of 30627028 in words is "thirty million, six hundred twenty-seven thousand, twenty-eight".