64425194 has 8 divisors (see below), whose sum is σ = 96720480. Its totient is φ = 32185036.

The previous prime is 64425191. The next prime is 64425197. The reversal of 64425194 is 49152446.

It is an interprime number because it is at equal distance from previous prime (64425191) and next prime (64425197).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64425191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10724 + ... + 15615.

It is an arithmetic number, because the mean of its divisors is an integer number (12090060).

Almost surely, 2^64425194 is an apocalyptic number.

64425194 is a deficient number, since it is larger than the sum of its proper divisors (32295286).

64425194 is a wasteful number, since it uses less digits than its factorization.

64425194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27564.

The product of its digits is 34560, while the sum is 35.

The square root of 64425194 is about 8026.5306328451. The cubic root of 64425194 is about 400.8838663455.

The spelling of 64425194 in words is "sixty-four million, four hundred twenty-five thousand, one hundred ninety-four".