65612432 has 10 divisors (see below), whose sum is σ = 127124118. Its totient is φ = 32806208.

The previous prime is 65612419. The next prime is 65612447. The reversal of 65612432 is 23421656.

It can be written as a sum of positive squares in only one way, i.e., 60155536 + 5456896 = 7756^2 + 2336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65612395 and 65612404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050373 + ... + 2050404.

Almost surely, 2^65612432 is an apocalyptic number.

It is an amenable number.

65612432 is a deficient number, since it is larger than the sum of its proper divisors (61511686).

65612432 is a wasteful number, since it uses less digits than its factorization.

65612432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100785 (or 4100779 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 65612432 is about 8100.1501220656. The cubic root of 65612432 is about 403.3314105654.

The spelling of 65612432 in words is "sixty-five million, six hundred twelve thousand, four hundred thirty-two".