64416734 has 4 divisors (see below), whose sum is σ = 96625104. Its totient is φ = 32208366.

The previous prime is 64416719. The next prime is 64416739. The reversal of 64416734 is 43761446.

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

It is a junction number, because it is equal to n+sod(n) for n = 64416694 and 64416703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64416739) 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, 16104182 + ... + 16104185.

It is an arithmetic number, because the mean of its divisors is an integer number (24156276).

Almost surely, 2^64416734 is an apocalyptic number.

64416734 is a deficient number, since it is larger than the sum of its proper divisors (32208370).

64416734 is a wasteful number, since it uses less digits than its factorization.

64416734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32208369.

The product of its digits is 48384, while the sum is 35.

The square root of 64416734 is about 8026.0036132561. The cubic root of 64416734 is about 400.8663182107.

The spelling of 64416734 in words is "sixty-four million, four hundred sixteen thousand, seven hundred thirty-four".