64078345 has 16 divisors (see below), whose sum is σ = 80963712. Its totient is φ = 48590080.

The previous prime is 64078337. The next prime is 64078351. The reversal of 64078345 is 54387046.

It is not a de Polignac number, because 64078345 - 2³ = 64078337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10530 + ... + 15460.

It is an arithmetic number, because the mean of its divisors is an integer number (5060232).

Almost surely, 2^64078345 is an apocalyptic number.

It is an amenable number.

64078345 is a deficient number, since it is larger than the sum of its proper divisors (16885367).

64078345 is a wasteful number, since it uses less digits than its factorization.

64078345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 64078345 is about 8004.8950648962. The cubic root of 64078345 is about 400.1631521944.

The spelling of 64078345 in words is "sixty-four million, seventy-eight thousand, three hundred forty-five".