64380465 has 12 divisors (see below), whose sum is σ = 111592884. Its totient is φ = 34336224.

The previous prime is 64380431. The next prime is 64380487. The reversal of 64380465 is 56408346.

64380465 is a `hidden beast` number, since 643 + 8 + 0 + 4 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48316401 + 16064064 = 6951^2 + 4008^2 .

It is not a de Polignac number, because 64380465 - 2⁶ = 64380401 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715294 + ... + 715383.

It is an arithmetic number, because the mean of its divisors is an integer number (9299407).

Almost surely, 2^64380465 is an apocalyptic number.

It is an amenable number.

64380465 is a deficient number, since it is larger than the sum of its proper divisors (47212419).

64380465 is a wasteful number, since it uses less digits than its factorization.

64380465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430688 (or 1430685 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 64380465 is about 8023.7438269177. The cubic root of 64380465 is about 400.7910699063.

The spelling of 64380465 in words is "sixty-four million, three hundred eighty thousand, four hundred sixty-five".