30613380 has 48 divisors (see below), whose sum is σ = 97964160. Its totient is φ = 6997248.

The previous prime is 30613367. The next prime is 30613409. The reversal of 30613380 is 8331603.

It is a self number, because there is not a number n which added to its sum of digits gives 30613380.

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 15 ways as a sum of consecutive naturals, for example, 36025 + ... + 36864.

It is an arithmetic number, because the mean of its divisors is an integer number (2040920).

Almost surely, 2^30613380 is an apocalyptic number.

30613380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30613380 is an abundant number, since it is smaller than the sum of its proper divisors (67350780).

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

30613380 is a wasteful number, since it uses less digits than its factorization.

30613380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72908 (or 72906 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30613380 is about 5532.9359295043. The cubic root of 30613380 is about 312.8266621482.

Adding to 30613380 its reverse (8331603), we get a palindrome (38944983).

It can be divided in two parts, 3061 and 3380, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 30613380 in words is "thirty million, six hundred thirteen thousand, three hundred eighty".