30083772 has 12 divisors (see below), whose sum is σ = 70195496. Its totient is φ = 10027920.

The previous prime is 30083743. The next prime is 30083777. The reversal of 30083772 is 27738003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30083777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253479 + ... + 1253502.

Almost surely, 2^30083772 is an apocalyptic number.

It is an amenable number.

30083772 is an abundant number, since it is smaller than the sum of its proper divisors (40111724).

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

30083772 is a wasteful number, since it uses less digits than its factorization.

30083772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506988 (or 2506986 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 30083772 is about 5484.8675462585. The cubic root of 30083772 is about 311.0122030068.

The spelling of 30083772 in words is "thirty million, eighty-three thousand, seven hundred seventy-two".