30674982 has 64 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 8937600.

The previous prime is 30674981. The next prime is 30674983. The reversal of 30674982 is 28947603.

It is an interprime number because it is at equal distance from previous prime (30674981) and next prime (30674983).

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 a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 30674982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30674981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160507 + ... + 160697.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^30674982 is an apocalyptic number.

It is a pronic number, being equal to 5538×5539.

It is a practical number, because each smaller number is the sum of distinct divisors of 30674982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34836480).

30674982 is an abundant number, since it is smaller than the sum of its proper divisors (38997978).

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

30674982 is a wasteful number, since it uses less digits than its factorization.

30674982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 30674982 is about 5538.4999774307. The cubic root of 30674982 is about 313.0363508156.

The spelling of 30674982 in words is "thirty million, six hundred seventy-four thousand, nine hundred eighty-two".