30078036 has 36 divisors (see below), whose sum is σ = 76501152. Its totient is φ = 9963984.

The previous prime is 30078031. The next prime is 30078047. The reversal of 30078036 is 63087003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30078031) 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 11 ways as a sum of consecutive naturals, for example, 3511 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (2125032).

Almost surely, 2^30078036 is an apocalyptic number.

30078036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30078036 is an abundant number, since it is smaller than the sum of its proper divisors (46423116).

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

30078036 is a wasteful number, since it uses less digits than its factorization.

30078036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180 (or 5175 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30078036 is about 5484.3446281210. The cubic root of 30078036 is about 310.9924351024.

The spelling of 30078036 in words is "thirty million, seventy-eight thousand, thirty-six".