42469427 has 72 divisors (see below), whose sum is σ = 63680400. Its totient is φ = 27941760.

The previous prime is 42469409. The next prime is 42469463. The reversal of 42469427 is 72496424.

It is not a de Polignac number, because 42469427 - 2¹² = 42465331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42469027) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1464449 + ... + 1464477.

It is an arithmetic number, because the mean of its divisors is an integer number (884450).

Almost surely, 2^42469427 is an apocalyptic number.

42469427 is a deficient number, since it is larger than the sum of its proper divisors (21210973).

42469427 is a wasteful number, since it uses less digits than its factorization.

42469427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 79 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 42469427 is about 6516.8571412913. The cubic root of 42469427 is about 348.8929017882.

The spelling of 42469427 in words is "forty-two million, four hundred sixty-nine thousand, four hundred twenty-seven".