32749012 has 24 divisors (see below), whose sum is σ = 58665600. Its totient is φ = 15991296.

The previous prime is 32749007. The next prime is 32749081. The reversal of 32749012 is 21094723.

It is a super-2 number, since 2×32749012² = 2144995573952288, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45189 + ... + 45907.

It is an arithmetic number, because the mean of its divisors is an integer number (2444400).

Almost surely, 2^32749012 is an apocalyptic number.

It is an amenable number.

32749012 is a deficient number, since it is larger than the sum of its proper divisors (25916588).

32749012 is a wasteful number, since it uses less digits than its factorization.

32749012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 32749012 is about 5722.6752485180. The cubic root of 32749012 is about 319.9381781614.

The spelling of 32749012 in words is "thirty-two million, seven hundred forty-nine thousand, twelve".