64004834 has 4 divisors (see below), whose sum is σ = 96007254. Its totient is φ = 32002416.

The previous prime is 64004833. The next prime is 64004861. The reversal of 64004834 is 43840046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43840046 = 2 ⋅21920023.

It can be written as a sum of positive squares in only one way, i.e., 57229225 + 6775609 = 7565^2 + 2603^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64004797 and 64004806.

It is not an unprimeable number, because it can be changed into a prime (64004833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16001207 + ... + 16001210.

Almost surely, 2^64004834 is an apocalyptic number.

64004834 is a deficient number, since it is larger than the sum of its proper divisors (32002420).

64004834 is a wasteful number, since it uses less digits than its factorization.

64004834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32002419.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 64004834 is about 8000.3021192952. The cubic root of 64004834 is about 400.0100705798.

The spelling of 64004834 in words is "sixty-four million, four thousand, eight hundred thirty-four".