65709536 has 12 divisors (see below), whose sum is σ = 129365712. Its totient is φ = 32854752.

The previous prime is 65709533. The next prime is 65709569. The reversal of 65709536 is 63590756.

It is a super-4 number, since 4×65709536⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65709493 and 65709502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65709533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026680 + ... + 1026743.

It is an arithmetic number, because the mean of its divisors is an integer number (10780476).

Almost surely, 2^65709536 is an apocalyptic number.

It is an amenable number.

65709536 is a deficient number, since it is larger than the sum of its proper divisors (63656176).

65709536 is a wasteful number, since it uses less digits than its factorization.

65709536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053433 (or 2053425 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 65709536 is about 8106.1418689781. The cubic root of 65709536 is about 403.5302844018.

The spelling of 65709536 in words is "sixty-five million, seven hundred nine thousand, five hundred thirty-six".