65403832 has 32 divisors (see below), whose sum is σ = 132400800. Its totient is φ = 30109824.

The previous prime is 65403829. The next prime is 65403869. The reversal of 65403832 is 23830456.

It is a super-2 number, since 2×65403832² = 8555322480568448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65403794 and 65403803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73293 + ... + 74179.

It is an arithmetic number, because the mean of its divisors is an integer number (4137525).

Almost surely, 2^65403832 is an apocalyptic number.

It is an amenable number.

65403832 is an abundant number, since it is smaller than the sum of its proper divisors (66996968).

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

65403832 is a wasteful number, since it uses less digits than its factorization.

65403832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 65403832 is about 8087.2635668686. The cubic root of 65403832 is about 402.9035228912.

The spelling of 65403832 in words is "sixty-five million, four hundred three thousand, eight hundred thirty-two".