64032194 has 4 divisors (see below), whose sum is σ = 96048294. Its totient is φ = 32016096.

The previous prime is 64032187. The next prime is 64032197. The reversal of 64032194 is 49123046.

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., 51337225 + 12694969 = 7165^2 + 3563^2 .

It is not an unprimeable number, because it can be changed into a prime (64032197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16008047 + ... + 16008050.

Almost surely, 2^64032194 is an apocalyptic number.

64032194 is a deficient number, since it is larger than the sum of its proper divisors (32016100).

64032194 is a wasteful number, since it uses less digits than its factorization.

64032194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32016099.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 64032194 is about 8002.0118720232. The cubic root of 64032194 is about 400.0670595902.

The spelling of 64032194 in words is "sixty-four million, thirty-two thousand, one hundred ninety-four".