65090432 has 32 divisors (see below), whose sum is σ = 141463800. Its totient is φ = 29585920.

The previous prime is 65090423. The next prime is 65090449. The reversal of 65090432 is 23409056.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 65090395 and 65090404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21707 + ... + 24522.

Almost surely, 2^65090432 is an apocalyptic number.

It is an amenable number.

65090432 is an abundant number, since it is smaller than the sum of its proper divisors (76373368).

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

65090432 is a wasteful number, since it uses less digits than its factorization.

65090432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46254 (or 46242 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 65090432 is about 8067.8641535415. The cubic root of 65090432 is about 402.2589521564.

Adding to 65090432 its reverse (23409056), we get a palindrome (88499488).

The spelling of 65090432 in words is "sixty-five million, ninety thousand, four hundred thirty-two".