64894332 has 12 divisors (see below), whose sum is σ = 151420136. Its totient is φ = 21631440.

The previous prime is 64894331. The next prime is 64894343. The reversal of 64894332 is 23349846.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×64894332² = 8422548651452448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64894331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703919 + ... + 2703942.

Almost surely, 2^64894332 is an apocalyptic number.

It is an amenable number.

64894332 is an abundant number, since it is smaller than the sum of its proper divisors (86525804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64894332 is a wasteful number, since it uses less digits than its factorization.

64894332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407868 (or 5407866 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 64894332 is about 8055.7018316221. The cubic root of 64894332 is about 401.8545797128.

The spelling of 64894332 in words is "sixty-four million, eight hundred ninety-four thousand, three hundred thirty-two".