42775465 has 8 divisors (see below), whose sum is σ = 51378120. Its totient is φ = 34188672.

The previous prime is 42775433. The next prime is 42775471. The reversal of 42775465 is 56457724.

42775465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1056784 + 41718681 = 1028^2 + 6459^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42775465 - 2⁵ = 42775433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3127 + ... + 9763.

It is an arithmetic number, because the mean of its divisors is an integer number (6422265).

Almost surely, 2^42775465 is an apocalyptic number.

It is an amenable number.

42775465 is a deficient number, since it is larger than the sum of its proper divisors (8602655).

42775465 is a wasteful number, since it uses less digits than its factorization.

42775465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its digits is 235200, while the sum is 40.

The square root of 42775465 is about 6540.2954826216. The cubic root of 42775465 is about 349.7289466026.

The spelling of 42775465 in words is "forty-two million, seven hundred seventy-five thousand, four hundred sixty-five".