65690733 has 16 divisors (see below), whose sum is σ = 94449600. Its totient is φ = 40475520.

The previous prime is 65690707. The next prime is 65690743. The reversal of 65690733 is 33709656.

It is not a de Polignac number, because 65690733 - 2⁸ = 65690477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65690691 and 65690700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65690743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11718 + ... + 16391.

It is an arithmetic number, because the mean of its divisors is an integer number (5903100).

Almost surely, 2^65690733 is an apocalyptic number.

It is an amenable number.

65690733 is a deficient number, since it is larger than the sum of its proper divisors (28758867).

65690733 is a wasteful number, since it uses less digits than its factorization.

65690733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28172.

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 65690733 is about 8104.9819864081. The cubic root of 65690733 is about 403.4917902234.

The spelling of 65690733 in words is "sixty-five million, six hundred ninety thousand, seven hundred thirty-three".