30125738 has 8 divisors (see below), whose sum is σ = 46646400. Its totient is φ = 14576940.

The previous prime is 30125663. The next prime is 30125759. The reversal of 30125738 is 83752103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30125738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242888 + ... + 243011.

It is an arithmetic number, because the mean of its divisors is an integer number (5830800).

Almost surely, 2^30125738 is an apocalyptic number.

30125738 is a deficient number, since it is larger than the sum of its proper divisors (16520662).

30125738 is a wasteful number, since it uses less digits than its factorization.

30125738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485932.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 30125738 is about 5488.6918295710. The cubic root of 30125738 is about 311.1567535171.

The spelling of 30125738 in words is "thirty million, one hundred twenty-five thousand, seven hundred thirty-eight".