30348774 has 72 divisors (see below), whose sum is σ = 72572760. Its totient is φ = 9131520.

The previous prime is 30348751. The next prime is 30348779. The reversal of 30348774 is 47784303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30348779) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 514357 + ... + 514415.

It is an arithmetic number, because the mean of its divisors is an integer number (1007955).

Almost surely, 2^30348774 is an apocalyptic number.

30348774 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30348774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36286380).

30348774 is an abundant number, since it is smaller than the sum of its proper divisors (42223986).

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

30348774 is a wasteful number, since it uses less digits than its factorization.

30348774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 30348774 is about 5508.9721364334. The cubic root of 30348774 is about 311.9227496123.

The spelling of 30348774 in words is "thirty million, three hundred forty-eight thousand, seven hundred seventy-four".