30734894 has 16 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 14420664.

The previous prime is 30734863. The next prime is 30734903. The reversal of 30734894 is 49843703.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^30734894 is an apocalyptic number.

30734894 is a deficient number, since it is larger than the sum of its proper divisors (18253906).

30734894 is a wasteful number, since it uses less digits than its factorization.

30734894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 30734894 is about 5543.9060237345. The cubic root of 30734894 is about 313.2400177328.

The spelling of 30734894 in words is "thirty million, seven hundred thirty-four thousand, eight hundred ninety-four".