42470465 has 24 divisors (see below), whose sum is σ = 54253824. Its totient is φ = 31881600.

The previous prime is 42470459. The next prime is 42470473. The reversal of 42470465 is 56407424.

It is a de Polignac number, because none of the positive numbers 2^k-42470465 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260474 + ... + 260636.

It is an arithmetic number, because the mean of its divisors is an integer number (2260576).

Almost surely, 2^42470465 is an apocalyptic number.

It is an amenable number.

42470465 is a deficient number, since it is larger than the sum of its proper divisors (11783359).

42470465 is a wasteful number, since it uses less digits than its factorization.

42470465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 42470465 is about 6516.9367804207. The cubic root of 42470465 is about 348.8957442085.

Adding to 42470465 its reverse (56407424), we get a palindrome (98877889).

The spelling of 42470465 in words is "forty-two million, four hundred seventy thousand, four hundred sixty-five".