30284736 has 28 divisors (see below), whose sum is σ = 80128872. Its totient is φ = 10094848.

The previous prime is 30284719. The next prime is 30284741. The reversal of 30284736 is 63748203.

It is a junction number, because it is equal to n+sod(n) for n = 30284697 and 30284706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78675 + ... + 79058.

Almost surely, 2^30284736 is an apocalyptic number.

It is an amenable number.

30284736 is an abundant number, since it is smaller than the sum of its proper divisors (49844136).

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

30284736 is a wasteful number, since it uses less digits than its factorization.

30284736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157748 (or 157738 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 30284736 is about 5503.1569121732. The cubic root of 30284736 is about 311.7032023030.

The spelling of 30284736 in words is "thirty million, two hundred eighty-four thousand, seven hundred thirty-six".