42464272 has 20 divisors (see below), whose sum is σ = 83125756. Its totient is φ = 21012480.

The previous prime is 42464269. The next prime is 42464287. The reversal of 42464272 is 27246424.

It can be written as a sum of positive squares in 2 ways, for example, as 22429696 + 20034576 = 4736^2 + 4476^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12129 + ... + 15232.

Almost surely, 2^42464272 is an apocalyptic number.

It is an amenable number.

42464272 is a deficient number, since it is larger than the sum of its proper divisors (40661484).

42464272 is a wasteful number, since it uses less digits than its factorization.

42464272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27466 (or 27460 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 42464272 is about 6516.4616165523. The cubic root of 42464272 is about 348.8787848433.

The spelling of 42464272 in words is "forty-two million, four hundred sixty-four thousand, two hundred seventy-two".