30137628 has 24 divisors (see below), whose sum is σ = 70969360. Its totient is φ = 9953280.

The previous prime is 30137623. The next prime is 30137663. The reversal of 30137628 is 82673103.

It is a junction number, because it is equal to n+sod(n) for n = 30137595 and 30137604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30137621) 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, 10213 + ... + 12828.

Almost surely, 2^30137628 is an apocalyptic number.

It is an amenable number.

30137628 is an abundant number, since it is smaller than the sum of its proper divisors (40831732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30137628 is a wasteful number, since it uses less digits than its factorization.

30137628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23157 (or 23155 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 30137628 is about 5489.7748587715. The cubic root of 30137628 is about 311.1976838248.

The spelling of 30137628 in words is "thirty million, one hundred thirty-seven thousand, six hundred twenty-eight".