30017340 has 144 divisors (see below), whose sum is σ = 98017920. Its totient is φ = 7413120.

The previous prime is 30017333. The next prime is 30017353. The reversal of 30017340 is 4371003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229075 + ... + 229205.

It is an arithmetic number, because the mean of its divisors is an integer number (680680).

Almost surely, 2^30017340 is an apocalyptic number.

30017340 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 30017340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49008960).

30017340 is an abundant number, since it is smaller than the sum of its proper divisors (68000580).

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

30017340 is a wasteful number, since it uses less digits than its factorization.

30017340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 30017340 is about 5478.8082645773. The cubic root of 30017340 is about 310.7831050779.

Adding to 30017340 its reverse (4371003), we get a palindrome (34388343).

The spelling of 30017340 in words is "thirty million, seventeen thousand, three hundred forty".