64743134 has 4 divisors (see below), whose sum is σ = 97114704. Its totient is φ = 32371566.

The previous prime is 64743131. The next prime is 64743169. The reversal of 64743134 is 43134746.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64743134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64743131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16185782 + ... + 16185785.

It is an arithmetic number, because the mean of its divisors is an integer number (24278676).

Almost surely, 2^64743134 is an apocalyptic number.

64743134 is a deficient number, since it is larger than the sum of its proper divisors (32371570).

64743134 is a wasteful number, since it uses less digits than its factorization.

64743134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32371569.

The product of its digits is 24192, while the sum is 32.

The square root of 64743134 is about 8046.3118259237. The cubic root of 64743134 is about 401.5422419159.

The spelling of 64743134 in words is "sixty-four million, seven hundred forty-three thousand, one hundred thirty-four".