64794133 has 4 divisors (see below), whose sum is σ = 64854508. Its totient is φ = 64733760.

The previous prime is 64794127. The next prime is 64794137. The reversal of 64794133 is 33149746.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61434244 + 3359889 = 7838^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 64794133 - 2⁵ = 64794101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64794092 and 64794101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64794137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28548 + ... + 30733.

It is an arithmetic number, because the mean of its divisors is an integer number (16213627).

Almost surely, 2^64794133 is an apocalyptic number.

It is an amenable number.

64794133 is a deficient number, since it is larger than the sum of its proper divisors (60375).

64794133 is a wasteful number, since it uses less digits than its factorization.

64794133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60374.

The product of its digits is 54432, while the sum is 37.

The square root of 64794133 is about 8049.4802937829. The cubic root of 64794133 is about 401.6476475750.

The spelling of 64794133 in words is "sixty-four million, seven hundred ninety-four thousand, one hundred thirty-three".