30741636 has 24 divisors (see below), whose sum is σ = 73481184. Its totient is φ = 9997120.

The previous prime is 30741631. The next prime is 30741649. The reversal of 30741636 is 63614703.

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

It is not an unprimeable number, because it can be changed into a prime (30741631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30750 + ... + 31733.

It is an arithmetic number, because the mean of its divisors is an integer number (3061716).

Almost surely, 2^30741636 is an apocalyptic number.

It is an amenable number.

30741636 is an abundant number, since it is smaller than the sum of its proper divisors (42739548).

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

30741636 is a wasteful number, since it uses less digits than its factorization.

30741636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62531 (or 62529 counting only the distinct ones).

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

The square root of 30741636 is about 5544.5140454327. The cubic root of 30741636 is about 313.2629201467.

The spelling of 30741636 in words is "thirty million, seven hundred forty-one thousand, six hundred thirty-six".