30734700 has 72 divisors (see below), whose sum is σ = 90650448. Its totient is φ = 8037120.

The previous prime is 30734689. The next prime is 30734729. The reversal of 30734700 is 743703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14934 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (1259034).

Almost surely, 2^30734700 is an apocalyptic number.

30734700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30734700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45325224).

30734700 is an abundant number, since it is smaller than the sum of its proper divisors (59915748).

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

30734700 is a wasteful number, since it uses less digits than its factorization.

30734700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 30734700 is about 5543.8885270178. Note that the first 3 decimals coincide. The cubic root of 30734700 is about 313.2393586698.

The spelling of 30734700 in words is "thirty million, seven hundred thirty-four thousand, seven hundred".