30348072 has 24 divisors (see below), whose sum is σ = 82192890. Its totient is φ = 10116000.

The previous prime is 30348053. The next prime is 30348083. The reversal of 30348072 is 27084303.

It can be written as a sum of positive squares in only one way, i.e., 18610596 + 11737476 = 4314^2 + 3426^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210679 + ... + 210822.

Almost surely, 2^30348072 is an apocalyptic number.

It is an amenable number.

30348072 is an abundant number, since it is smaller than the sum of its proper divisors (51844818).

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

30348072 is a wasteful number, since it uses less digits than its factorization.

30348072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421513 (or 421506 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 30348072 is about 5508.9084218201. The cubic root of 30348072 is about 311.9203445567.

The spelling of 30348072 in words is "thirty million, three hundred forty-eight thousand, seventy-two".