32690945 has 16 divisors (see below), whose sum is σ = 45100800. Its totient is φ = 22282944.

The previous prime is 32690941. The next prime is 32690947. The reversal of 32690945 is 54909623.

It is a cyclic number.

It is not a de Polignac number, because 32690945 - 2² = 32690941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32690899 and 32690908.

It is not an unprimeable number, because it can be changed into a prime (32690941) 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, 3356 + ... + 8754.

It is an arithmetic number, because the mean of its divisors is an integer number (2818800).

Almost surely, 2^32690945 is an apocalyptic number.

32690945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32690945 is a deficient number, since it is larger than the sum of its proper divisors (12409855).

32690945 is a wasteful number, since it uses less digits than its factorization.

32690945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 32690945 is about 5717.5995837414. The cubic root of 32690945 is about 319.7489730530.

The spelling of 32690945 in words is "thirty-two million, six hundred ninety thousand, nine hundred forty-five".