64061433 has 24 divisors (see below), whose sum is σ = 94698240. Its totient is φ = 41718240.

The previous prime is 64061429. The next prime is 64061449. The reversal of 64061433 is 33416046.

64061433 is a `hidden beast` number, since 6 + 40 + 614 + 3 + 3 = 666.

It is not a de Polignac number, because 64061433 - 2² = 64061429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64061397 and 64061406.

It is not an unprimeable number, because it can be changed into a prime (64061533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118143 + ... + 118683.

It is an arithmetic number, because the mean of its divisors is an integer number (3945760).

Almost surely, 2^64061433 is an apocalyptic number.

It is an amenable number.

64061433 is a deficient number, since it is larger than the sum of its proper divisors (30636807).

64061433 is a wasteful number, since it uses less digits than its factorization.

64061433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64061433 is about 8003.8386415519. The cubic root of 64061433 is about 400.1279444878.

Adding to 64061433 its reverse (33416046), we get a palindrome (97477479).

The spelling of 64061433 in words is "sixty-four million, sixty-one thousand, four hundred thirty-three".