65019670 has 16 divisors (see below), whose sum is σ = 118685088. Its totient is φ = 25641280.

The previous prime is 65019601. The next prime is 65019673. The reversal of 65019670 is 7691056.

65019670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65019673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45079 + ... + 46498.

It is an arithmetic number, because the mean of its divisors is an integer number (7417818).

Almost surely, 2^65019670 is an apocalyptic number.

65019670 is a deficient number, since it is larger than the sum of its proper divisors (53665418).

65019670 is a wasteful number, since it uses less digits than its factorization.

65019670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91655.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 65019670 is about 8063.4775376385. The cubic root of 65019670 is about 402.1131295509.

The spelling of 65019670 in words is "sixty-five million, nineteen thousand, six hundred seventy".