30172412 has 48 divisors (see below), whose sum is σ = 58544640. Its totient is φ = 13556928.

The previous prime is 30172379. The next prime is 30172421. The reversal of 30172412 is 21427103.

It is a congruent number.

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, 114593 + ... + 114855.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^30172412 is an apocalyptic number.

It is an amenable number.

30172412 is a deficient number, since it is larger than the sum of its proper divisors (28372228).

30172412 is a wasteful number, since it uses less digits than its factorization.

30172412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30172412 is about 5492.9420168067. The cubic root of 30172412 is about 311.3173629889.

Adding to 30172412 its reverse (21427103), we get a palindrome (51599515).

The spelling of 30172412 in words is "thirty million, one hundred seventy-two thousand, four hundred twelve".