30766536 has 48 divisors (see below), whose sum is σ = 85585500. Its totient is φ = 9977472.

The previous prime is 30766531. The next prime is 30766537. The reversal of 30766536 is 63566703.

It can be written as a sum of positive squares in 2 ways, for example, as 22982436 + 7784100 = 4794^2 + 2790^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30766536.

It is not an unprimeable number, because it can be changed into a prime (30766531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3111 + ... + 8438.

Almost surely, 2^30766536 is an apocalyptic number.

30766536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30766536 is an abundant number, since it is smaller than the sum of its proper divisors (54818964).

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

30766536 is a wasteful number, since it uses less digits than its factorization.

30766536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11598 (or 11591 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 30766536 is about 5546.7590537178. The cubic root of 30766536 is about 313.3474758467.

The spelling of 30766536 in words is "thirty million, seven hundred sixty-six thousand, five hundred thirty-six".