30450712 has 32 divisors (see below), whose sum is σ = 60576480. Its totient is φ = 14319360.

The previous prime is 30450701. The next prime is 30450713. The reversal of 30450712 is 21705403.

It is a super-2 number, since 2×30450712² = 1854491722613888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30450713) 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, 9868 + ... + 12580.

It is an arithmetic number, because the mean of its divisors is an integer number (1893015).

Almost surely, 2^30450712 is an apocalyptic number.

It is an amenable number.

30450712 is a deficient number, since it is larger than the sum of its proper divisors (30125768).

30450712 is a wasteful number, since it uses less digits than its factorization.

30450712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 30450712 is about 5518.2163785049. The cubic root of 30450712 is about 312.2715967296.

The spelling of 30450712 in words is "thirty million, four hundred fifty thousand, seven hundred twelve".