64767465 has 48 divisors (see below), whose sum is σ = 133954560. Its totient is φ = 29604960.

The previous prime is 64767389. The next prime is 64767481. The reversal of 64767465 is 56476746.

It is a happy number.

It is not a de Polignac number, because 64767465 - 2⁷ = 64767337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64767465.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1720 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (2790720).

Almost surely, 2^64767465 is an apocalyptic number.

It is an amenable number.

64767465 is an abundant number, since it is smaller than the sum of its proper divisors (69187095).

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

64767465 is a wasteful number, since it uses less digits than its factorization.

64767465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819 (or 9806 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 64767465 is about 8047.8236188426. The cubic root of 64767465 is about 401.5925365704.

The spelling of 64767465 in words is "sixty-four million, seven hundred sixty-seven thousand, four hundred sixty-five".