64952194 has 4 divisors (see below), whose sum is σ = 97428294. Its totient is φ = 32476096.

The previous prime is 64952177. The next prime is 64952201. The reversal of 64952194 is 49125946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49125946 = 2 ⋅24562973.

It can be written as a sum of positive squares in only one way, i.e., 64883025 + 69169 = 8055^2 + 263^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16238047 + ... + 16238050.

Almost surely, 2^64952194 is an apocalyptic number.

64952194 is a deficient number, since it is larger than the sum of its proper divisors (32476100).

64952194 is a wasteful number, since it uses less digits than its factorization.

64952194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32476099.

The product of its digits is 77760, while the sum is 40.

The square root of 64952194 is about 8059.2924007012. The cubic root of 64952194 is about 401.9739799830.

The spelling of 64952194 in words is "sixty-four million, nine hundred fifty-two thousand, one hundred ninety-four".