64934419 has 16 divisors (see below), whose sum is σ = 75358080. Its totient is φ = 55330560.

The previous prime is 64934417. The next prime is 64934431. The reversal of 64934419 is 91443946.

It is a cyclic number.

It is not a de Polignac number, because 64934419 - 2¹ = 64934417 is a prime.

It is a super-2 number, since 2×64934419² = 8432957541735122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64934417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18672 + ... + 21874.

It is an arithmetic number, because the mean of its divisors is an integer number (4709880).

Almost surely, 2^64934419 is an apocalyptic number.

64934419 is a deficient number, since it is larger than the sum of its proper divisors (10423661).

64934419 is a wasteful number, since it uses less digits than its factorization.

64934419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330.

The product of its digits is 93312, while the sum is 40.

The square root of 64934419 is about 8058.1895609374. The cubic root of 64934419 is about 401.9373081944.

The spelling of 64934419 in words is "sixty-four million, nine hundred thirty-four thousand, four hundred nineteen".