32897568 has 48 divisors (see below), whose sum is σ = 94209696. Its totient is φ = 9968640.

The previous prime is 32897563. The next prime is 32897581. The reversal of 32897568 is 86579823.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (32897563) 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, 14521 + ... + 16632.

It is an arithmetic number, because the mean of its divisors is an integer number (1962702).

Almost surely, 2^32897568 is an apocalyptic number.

It is an amenable number.

32897568 is an abundant number, since it is smaller than the sum of its proper divisors (61312128).

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

32897568 is a wasteful number, since it uses less digits than its factorization.

32897568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31177 (or 31169 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 32897568 is about 5735.6401560767. The cubic root of 32897568 is about 320.4212161431.

The spelling of 32897568 in words is "thirty-two million, eight hundred ninety-seven thousand, five hundred sixty-eight".