64415914 has 4 divisors (see below), whose sum is σ = 96623874. Its totient is φ = 32207956.

The previous prime is 64415867. The next prime is 64415917. The reversal of 64415914 is 41951446.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 21316689 = 6565^2 + 4617^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64415914.

It is not an unprimeable number, because it can be changed into a prime (64415917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16103977 + ... + 16103980.

Almost surely, 2^64415914 is an apocalyptic number.

64415914 is a deficient number, since it is larger than the sum of its proper divisors (32207960).

64415914 is a wasteful number, since it uses less digits than its factorization.

64415914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32207959.

The product of its digits is 17280, while the sum is 34.

The square root of 64415914 is about 8025.9525291395. The cubic root of 64415914 is about 400.8646172460.

The spelling of 64415914 in words is "sixty-four million, four hundred fifteen thousand, nine hundred fourteen".