30663036 has 120 divisors (see below), whose sum is σ = 89646480. Its totient is φ = 9082368.

The previous prime is 30663023. The next prime is 30663043. The reversal of 30663036 is 63036603.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104506 + ... + 104798.

It is an arithmetic number, because the mean of its divisors is an integer number (747054).

Almost surely, 2^30663036 is an apocalyptic number.

30663036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30663036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44823240).

30663036 is an abundant number, since it is smaller than the sum of its proper divisors (58983444).

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

30663036 is a wasteful number, since it uses less digits than its factorization.

30663036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 30663036 is about 5537.4214215644. The cubic root of 30663036 is about 312.9957094684.

Adding to 30663036 its reverse (63036603), we get a palindrome (93699639).

The spelling of 30663036 in words is "thirty million, six hundred sixty-three thousand, thirty-six".