64274194 has 8 divisors (see below), whose sum is σ = 96606000. Its totient is φ = 32072196.

The previous prime is 64274173. The next prime is 64274219. The reversal of 64274194 is 49147246.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31204 + ... + 33199.

It is an arithmetic number, because the mean of its divisors is an integer number (12075750).

Almost surely, 2^64274194 is an apocalyptic number.

64274194 is a deficient number, since it is larger than the sum of its proper divisors (32331806).

64274194 is a wasteful number, since it uses less digits than its factorization.

64274194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64904.

The product of its digits is 48384, while the sum is 37.

The square root of 64274194 is about 8017.1188091483. The cubic root of 64274194 is about 400.5704236555.

The spelling of 64274194 in words is "sixty-four million, two hundred seventy-four thousand, one hundred ninety-four".