30827874 has 64 divisors (see below), whose sum is σ = 78382080. Its totient is φ = 7849920.

The previous prime is 30827873. The next prime is 30827879. The reversal of 30827874 is 47872803.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30827873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23857 + ... + 25115.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

Almost surely, 2^30827874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30827874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39191040).

30827874 is an abundant number, since it is smaller than the sum of its proper divisors (47554206).

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

30827874 is a wasteful number, since it uses less digits than its factorization.

30827874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 30827874 is about 5552.2854753696. The cubic root of 30827874 is about 313.5555736841. Note that the first 4 decimals are identical.

It can be divided in two parts, 308 and 27874, that added together give a palindrome (28182).

The spelling of 30827874 in words is "thirty million, eight hundred twenty-seven thousand, eight hundred seventy-four".