64894094 has 4 divisors (see below), whose sum is σ = 97341144. Its totient is φ = 32447046.

The previous prime is 64894087. The next prime is 64894121. The reversal of 64894094 is 49049846.

It is a happy number.

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

It is a super-2 number, since 2×64894094² = 8422486872161672, which contains 22 as substring.

It is a Curzon number.

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, 16223522 + ... + 16223525.

It is an arithmetic number, because the mean of its divisors is an integer number (24335286).

Almost surely, 2^64894094 is an apocalyptic number.

64894094 is a deficient number, since it is larger than the sum of its proper divisors (32447050).

64894094 is a wasteful number, since it uses less digits than its factorization.

64894094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32447049.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 64894094 is about 8055.6870594630. The cubic root of 64894094 is about 401.8540884449.

The spelling of 64894094 in words is "sixty-four million, eight hundred ninety-four thousand, ninety-four".