64723214 has 4 divisors (see below), whose sum is σ = 97084824. Its totient is φ = 32361606.

The previous prime is 64723193. The next prime is 64723237. The reversal of 64723214 is 41232746.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41232746 = 2 ⋅20616373.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16180802 + ... + 16180805.

It is an arithmetic number, because the mean of its divisors is an integer number (24271206).

Almost surely, 2^64723214 is an apocalyptic number.

64723214 is a deficient number, since it is larger than the sum of its proper divisors (32361610).

64723214 is a wasteful number, since it uses less digits than its factorization.

64723214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32361609.

The product of its digits is 8064, while the sum is 29.

The square root of 64723214 is about 8045.0738964909. The cubic root of 64723214 is about 401.5010558654.

The spelling of 64723214 in words is "sixty-four million, seven hundred twenty-three thousand, two hundred fourteen".