64335042 has 12 divisors (see below), whose sum is σ = 139392630. Its totient is φ = 21445008.

The previous prime is 64335023. The next prime is 64335049. The reversal of 64335042 is 24053346.

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 11758041 = 7251^2 + 3429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64334997 and 64335015.

It is not an unprimeable number, because it can be changed into a prime (64335049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1787067 + ... + 1787102.

Almost surely, 2^64335042 is an apocalyptic number.

64335042 is an abundant number, since it is smaller than the sum of its proper divisors (75057588).

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

64335042 is a wasteful number, since it uses less digits than its factorization.

64335042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574177 (or 3574174 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 64335042 is about 8020.9127909484. The cubic root of 64335042 is about 400.6967896723.

Adding to 64335042 its reverse (24053346), we get a palindrome (88388388).

The spelling of 64335042 in words is "sixty-four million, three hundred thirty-five thousand, forty-two".