64352434 has 4 divisors (see below), whose sum is σ = 96528654. Its totient is φ = 32176216.

The previous prime is 64352417. The next prime is 64352437. The reversal of 64352434 is 43425346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 58568409 + 5784025 = 7653^2 + 2405^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 64352396 and 64352405.

It is not an unprimeable number, because it can be changed into a prime (64352437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16088107 + ... + 16088110.

Almost surely, 2^64352434 is an apocalyptic number.

64352434 is a deficient number, since it is larger than the sum of its proper divisors (32176220).

64352434 is a wasteful number, since it uses less digits than its factorization.

64352434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32176219.

The product of its digits is 34560, while the sum is 31.

The square root of 64352434 is about 8021.9968835696. The cubic root of 64352434 is about 400.7328938464.

The spelling of 64352434 in words is "sixty-four million, three hundred fifty-two thousand, four hundred thirty-four".