30767130 has 48 divisors (see below), whose sum is σ = 80795520. Its totient is φ = 8122464.

The previous prime is 30767129. The next prime is 30767131. The reversal of 30767130 is 3176703.

It is an interprime number because it is at equal distance from previous prime (30767129) and next prime (30767131).

It is a junction number, because it is equal to n+sod(n) for n = 30767094 and 30767103.

It is not an unprimeable number, because it can be changed into a prime (30767131) 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 23 ways as a sum of consecutive naturals, for example, 7611 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (1683240).

Almost surely, 2^30767130 is an apocalyptic number.

30767130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30767130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40397760).

30767130 is an abundant number, since it is smaller than the sum of its proper divisors (50028390).

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

30767130 is a wasteful number, since it uses less digits than its factorization.

30767130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 30767130 is about 5546.8125982405. The cubic root of 30767130 is about 313.3494924014.

The spelling of 30767130 in words is "thirty million, seven hundred sixty-seven thousand, one hundred thirty".