64729194 has 8 divisors (see below), whose sum is σ = 129458400. Its totient is φ = 21576396.

The previous prime is 64729141. The next prime is 64729207. The reversal of 64729194 is 49192746.

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

64729194 is an admirable number.

It is a Curzon number.

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, 5394094 + ... + 5394105.

It is an arithmetic number, because the mean of its divisors is an integer number (16182300).

Almost surely, 2^64729194 is an apocalyptic number.

64729194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64729194 is a wasteful number, since it uses less digits than its factorization.

64729194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788204.

The product of its digits is 108864, while the sum is 42.

The square root of 64729194 is about 8045.4455439087. The cubic root of 64729194 is about 401.5134208384.

The spelling of 64729194 in words is "sixty-four million, seven hundred twenty-nine thousand, one hundred ninety-four".