64341870 has 16 divisors (see below), whose sum is σ = 154420560. Its totient is φ = 17157824.

The previous prime is 64341869. The next prime is 64341877. The reversal of 64341870 is 7814346.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64341877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072335 + ... + 1072394.

It is an arithmetic number, because the mean of its divisors is an integer number (9651285).

Almost surely, 2^64341870 is an apocalyptic number.

64341870 is an abundant number, since it is smaller than the sum of its proper divisors (90078690).

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

64341870 is a wasteful number, since it uses less digits than its factorization.

64341870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144739.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 64341870 is about 8021.3384169975. The cubic root of 64341870 is about 400.7109647408.

The spelling of 64341870 in words is "sixty-four million, three hundred forty-one thousand, eight hundred seventy".