65649032 has 8 divisors (see below), whose sum is σ = 123091950. Its totient is φ = 32824512.

The previous prime is 65649029. The next prime is 65649037. The reversal of 65649032 is 23094656.

It can be written as a sum of positive squares in only one way, i.e., 51466276 + 14182756 = 7174^2 + 3766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 65648983 and 65649001.

It is not an unprimeable number, because it can be changed into a prime (65649037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4103057 + ... + 4103072.

Almost surely, 2^65649032 is an apocalyptic number.

It is an amenable number.

65649032 is a deficient number, since it is larger than the sum of its proper divisors (57442918).

65649032 is a wasteful number, since it uses less digits than its factorization.

65649032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206135 (or 8206131 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 65649032 is about 8102.4090244815. The cubic root of 65649032 is about 403.4063922174.

The spelling of 65649032 in words is "sixty-five million, six hundred forty-nine thousand, thirty-two".