30380745 has 16 divisors (see below), whose sum is σ = 49407552. Its totient is φ = 15936960.

The previous prime is 30380731. The next prime is 30380761. The reversal of 30380745 is 54708303.

It is not a de Polignac number, because 30380745 - 2⁴ = 30380729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15687 + ... + 17516.

It is an arithmetic number, because the mean of its divisors is an integer number (3087972).

Almost surely, 2^30380745 is an apocalyptic number.

It is an amenable number.

30380745 is a deficient number, since it is larger than the sum of its proper divisors (19026807).

30380745 is a wasteful number, since it uses less digits than its factorization.

30380745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33272.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30380745 is about 5511.8730936044. The cubic root of 30380745 is about 312.0322431339.

It can be divided in two parts, 30380 and 745, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 30380745 in words is "thirty million, three hundred eighty thousand, seven hundred forty-five".