64432235 has 8 divisors (see below), whose sum is σ = 88364256. Its totient is φ = 44182080.

The previous prime is 64432231. The next prime is 64432237. The reversal of 64432235 is 53223446.

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

It is not a de Polignac number, because 64432235 - 2² = 64432231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64432198 and 64432207.

It is not an unprimeable number, because it can be changed into a prime (64432231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920426 + ... + 920495.

It is an arithmetic number, because the mean of its divisors is an integer number (11045532).

Almost surely, 2^64432235 is an apocalyptic number.

64432235 is a deficient number, since it is larger than the sum of its proper divisors (23932021).

64432235 is a wasteful number, since it uses less digits than its factorization.

64432235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840933.

The product of its digits is 17280, while the sum is 29.

The square root of 64432235 is about 8026.9692287936. The cubic root of 64432235 is about 400.8984699517.

The spelling of 64432235 in words is "sixty-four million, four hundred thirty-two thousand, two hundred thirty-five".