30836745 has 24 divisors (see below), whose sum is σ = 53868672. Its totient is φ = 16317600.

The previous prime is 30836737. The next prime is 30836749. The reversal of 30836745 is 54763803.

It is a happy number.

It is not a de Polignac number, because 30836745 - 2³ = 30836737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30836749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3280 + ... + 8510.

It is an arithmetic number, because the mean of its divisors is an integer number (2244528).

Almost surely, 2^30836745 is an apocalyptic number.

It is an amenable number.

30836745 is a deficient number, since it is larger than the sum of its proper divisors (23031927).

30836745 is a wasteful number, since it uses less digits than its factorization.

30836745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 30836745 is about 5553.0842781287. The cubic root of 30836745 is about 313.5856469519.

The spelling of 30836745 in words is "thirty million, eight hundred thirty-six thousand, seven hundred forty-five".