35640012 has 48 divisors (see below), whose sum is σ = 85881600. Its totient is φ = 11497920.

The previous prime is 35640001. The next prime is 35640019. The reversal of 35640012 is 21004653.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (35640019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49914 + ... + 50622.

It is an arithmetic number, because the mean of its divisors is an integer number (1789200).

Almost surely, 2^35640012 is an apocalyptic number.

It is an amenable number.

35640012 is an abundant number, since it is smaller than the sum of its proper divisors (50241588).

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

35640012 is a wasteful number, since it uses less digits than its factorization.

35640012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 35640012 is about 5969.9256276775. The cubic root of 35640012 is about 329.0884300807.

Adding to 35640012 its reverse (21004653), we get a palindrome (56644665).

The spelling of 35640012 in words is "thirty-five million, six hundred forty thousand, twelve".