30678060 has 48 divisors (see below), whose sum is σ = 98171136. Its totient is φ = 7012032.

The previous prime is 30678019. The next prime is 30678061. The reversal of 30678060 is 6087603.

It is a super-2 number, since 2×30678060² = 1882286730727200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (30678061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36102 + ... + 36941.

It is an arithmetic number, because the mean of its divisors is an integer number (2045232).

Almost surely, 2^30678060 is an apocalyptic number.

30678060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30678060 is an abundant number, since it is smaller than the sum of its proper divisors (67493076).

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

30678060 is a wasteful number, since it uses less digits than its factorization.

30678060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73062 (or 73060 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 30678060 is about 5538.7778435319. Note that the first 3 decimals coincide. The cubic root of 30678060 is about 313.0468207339.

The spelling of 30678060 in words is "thirty million, six hundred seventy-eight thousand, sixty".