64894696 has 16 divisors (see below), whose sum is σ = 122292000. Its totient is φ = 32283504.

The previous prime is 64894693. The next prime is 64894703. The reversal of 64894696 is 69649846.

It is a super-2 number, since 2×64894696² = 8422643137864832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64894691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18790 + ... + 21973.

It is an arithmetic number, because the mean of its divisors is an integer number (7643250).

Almost surely, 2^64894696 is an apocalyptic number.

It is an amenable number.

64894696 is a deficient number, since it is larger than the sum of its proper divisors (57397304).

64894696 is a wasteful number, since it uses less digits than its factorization.

64894696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40968 (or 40964 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 64894696 is about 8055.7244242836. The cubic root of 64894696 is about 401.8553310614.

The spelling of 64894696 in words is "sixty-four million, eight hundred ninety-four thousand, six hundred ninety-six".