64133334 has 24 divisors (see below), whose sum is σ = 139142640. Its totient is φ = 21349008.

The previous prime is 64133323. The next prime is 64133351. The reversal of 64133334 is 43333146.

It is a super-2 number, since 2×64133334² = 8226169059911112, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64133298 and 64133307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14604 + ... + 18480.

It is an arithmetic number, because the mean of its divisors is an integer number (5797610).

Almost surely, 2^64133334 is an apocalyptic number.

64133334 is an abundant number, since it is smaller than the sum of its proper divisors (75009306).

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

64133334 is a wasteful number, since it uses less digits than its factorization.

64133334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804 (or 4801 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 64133334 is about 8008.3290391941. The cubic root of 64133334 is about 400.2775864865.

The spelling of 64133334 in words is "sixty-four million, one hundred thirty-three thousand, three hundred thirty-four".