30302080 has 64 divisors (see below), whose sum is σ = 73256400. Its totient is φ = 11984896.

The previous prime is 30302059. The next prime is 30302101. The reversal of 30302080 is 8020303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30302059) and next prime (30302101).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 72111 + ... + 72529.

Almost surely, 2^30302080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30302080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36628200).

30302080 is an abundant number, since it is smaller than the sum of its proper divisors (42954320).

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

30302080 is a wasteful number, since it uses less digits than its factorization.

30302080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30302080 is about 5504.7325093959. The cubic root of 30302080 is about 311.7626948544.

Adding to 30302080 its reverse (8020303), we get a palindrome (38322383).

The spelling of 30302080 in words is "thirty million, three hundred two thousand, eighty".