64935434 has 4 divisors (see below), whose sum is σ = 97403154. Its totient is φ = 32467716.

The previous prime is 64935433. The next prime is 64935449. The reversal of 64935434 is 43453946.

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., 40896025 + 24039409 = 6395^2 + 4903^2 .

It is a super-2 number, since 2×64935434² = 8433221177536712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64935433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16233857 + ... + 16233860.

Almost surely, 2^64935434 is an apocalyptic number.

64935434 is a deficient number, since it is larger than the sum of its proper divisors (32467720).

64935434 is a wasteful number, since it uses less digits than its factorization.

64935434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32467719.

The product of its digits is 155520, while the sum is 38.

The square root of 64935434 is about 8058.2525400983. The cubic root of 64935434 is about 401.9394024317.

The spelling of 64935434 in words is "sixty-four million, nine hundred thirty-five thousand, four hundred thirty-four".