30765036 has 48 divisors (see below), whose sum is σ = 76446720. Its totient is φ = 9596160.

The previous prime is 30765017. The next prime is 30765037. The reversal of 30765036 is 63056703.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 30764994 and 30765012.

It is not an unprimeable number, because it can be changed into a prime (30765037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48441 + ... + 49071.

It is an arithmetic number, because the mean of its divisors is an integer number (1592640).

Almost surely, 2^30765036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30765036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38223360).

30765036 is an abundant number, since it is smaller than the sum of its proper divisors (45681684).

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

30765036 is a wasteful number, since it uses less digits than its factorization.

30765036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 30765036 is about 5546.6238379757. The cubic root of 30765036 is about 313.3423834215.

The spelling of 30765036 in words is "thirty million, seven hundred sixty-five thousand, thirty-six".