465128705 has 8 divisors (see below), whose sum is σ = 560171112. Its totient is φ = 370758528.

The previous prime is 465128693. The next prime is 465128753. The reversal of 465128705 is 507821564.

It can be written as a sum of positive squares in 4 ways, for example, as 62283664 + 402845041 = 7892^2 + 20071^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465128705 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166532 + ... + 169301.

It is an arithmetic number, because the mean of its divisors is an integer number (70021389).

Almost surely, 2^465128705 is an apocalyptic number.

It is an amenable number.

465128705 is a deficient number, since it is larger than the sum of its proper divisors (95042407).

465128705 is a wasteful number, since it uses less digits than its factorization.

465128705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336115.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 465128705 is about 21566.8427221047. The cubic root of 465128705 is about 774.8025608736.

The spelling of 465128705 in words is "four hundred sixty-five million, one hundred twenty-eight thousand, seven hundred five".