30734732 has 12 divisors (see below), whose sum is σ = 61469520. Its totient is φ = 13172016.

The previous prime is 30734731. The next prime is 30734747. The reversal of 30734732 is 23743703.

30734732 is an admirable number.

It is a super-2 number, since 2×30734732² = 1889247502223648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30734695 and 30734704.

It is not an unprimeable number, because it can be changed into a prime (30734731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548807 + ... + 548862.

It is an arithmetic number, because the mean of its divisors is an integer number (5122460).

Almost surely, 2^30734732 is an apocalyptic number.

It is an amenable number.

30734732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30734732 is a wasteful number, since it uses less digits than its factorization.

30734732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097680 (or 1097678 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 30734732 is about 5543.8914130780. The cubic root of 30734732 is about 313.2394673814.

The spelling of 30734732 in words is "thirty million, seven hundred thirty-four thousand, seven hundred thirty-two".