64675465 has 8 divisors (see below), whose sum is σ = 78018048. Its totient is φ = 51468720.

The previous prime is 64675453. The next prime is 64675469. The reversal of 64675465 is 56457646.

It is a happy number.

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

It is not a de Polignac number, because 64675465 - 2¹⁹ = 64151177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64675469) 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, 32907 + ... + 34816.

It is an arithmetic number, because the mean of its divisors is an integer number (9752256).

Almost surely, 2^64675465 is an apocalyptic number.

It is an amenable number.

64675465 is a deficient number, since it is larger than the sum of its proper divisors (13342583).

64675465 is a wasteful number, since it uses less digits than its factorization.

64675465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67919.

The product of its digits is 604800, while the sum is 43.

The square root of 64675465 is about 8042.1057565789. The cubic root of 64675465 is about 401.4022969136.

The spelling of 64675465 in words is "sixty-four million, six hundred seventy-five thousand, four hundred sixty-five".