30134780 has 24 divisors (see below), whose sum is σ = 68151552. Its totient is φ = 11126592.

The previous prime is 30134773. The next prime is 30134831. The reversal of 30134780 is 8743103.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57692 + ... + 58211.

It is an arithmetic number, because the mean of its divisors is an integer number (2839648).

Almost surely, 2^30134780 is an apocalyptic number.

It is an amenable number.

30134780 is an abundant number, since it is smaller than the sum of its proper divisors (38016772).

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

30134780 is a wasteful number, since it uses less digits than its factorization.

30134780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115925 (or 115923 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 30134780 is about 5489.5154613135. The cubic root of 30134780 is about 311.1878808091.

Adding to 30134780 its reverse (8743103), we get a palindrome (38877883).

The spelling of 30134780 in words is "thirty million, one hundred thirty-four thousand, seven hundred eighty".