65475993 has 32 divisors (see below), whose sum is σ = 101744640. Its totient is φ = 37013760.

The previous prime is 65475983. The next prime is 65476001. The reversal of 65475993 is 39957456.

It is not a de Polignac number, because 65475993 - 2⁹ = 65475481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65475953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70788 + ... + 71706.

It is an arithmetic number, because the mean of its divisors is an integer number (3179520).

Almost surely, 2^65475993 is an apocalyptic number.

It is an amenable number.

65475993 is a deficient number, since it is larger than the sum of its proper divisors (36268647).

65475993 is a wasteful number, since it uses less digits than its factorization.

65475993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its digits is 1020600, while the sum is 48.

The square root of 65475993 is about 8091.7237347799. The cubic root of 65475993 is about 403.0516448703.

The spelling of 65475993 in words is "sixty-five million, four hundred seventy-five thousand, nine hundred ninety-three".