32643465 has 16 divisors (see below), whose sum is σ = 53915136. Its totient is φ = 16848000.

The previous prime is 32643449. The next prime is 32643487. The reversal of 32643465 is 56434623.

It is not a de Polignac number, because 32643465 - 2⁴ = 32643449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34636 + ... + 35565.

It is an arithmetic number, because the mean of its divisors is an integer number (3369696).

Almost surely, 2^32643465 is an apocalyptic number.

It is an amenable number.

32643465 is a deficient number, since it is larger than the sum of its proper divisors (21271671).

32643465 is a wasteful number, since it uses less digits than its factorization.

32643465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70240.

The product of its digits is 51840, while the sum is 33.

The square root of 32643465 is about 5713.4459829423. The cubic root of 32643465 is about 319.5940979840.

The spelling of 32643465 in words is "thirty-two million, six hundred forty-three thousand, four hundred sixty-five".