30363780 has 48 divisors (see below), whose sum is σ = 87099264. Its totient is φ = 7898880.

The previous prime is 30363769. The next prime is 30363799. The reversal of 30363780 is 8736303.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

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, 3712 + ... + 8631.

It is an arithmetic number, because the mean of its divisors is an integer number (1814568).

Almost surely, 2^30363780 is an apocalyptic number.

30363780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30363780 is an abundant number, since it is smaller than the sum of its proper divisors (56735484).

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

30363780 is a wasteful number, since it uses less digits than its factorization.

30363780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396 (or 12394 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30363780 is about 5510.3339281753. Note that the first 3 decimals coincide. The cubic root of 30363780 is about 311.9741513760.

The spelling of 30363780 in words is "thirty million, three hundred sixty-three thousand, seven hundred eighty".