42047469 has 24 divisors (see below), whose sum is σ = 62674560. Its totient is φ = 27149568.

The previous prime is 42047459. The next prime is 42047479. The reversal of 42047469 is 96474024.

It is an interprime number because it is at equal distance from previous prime (42047459) and next prime (42047479).

It is not a de Polignac number, because 42047469 - 2⁹ = 42046957 is a prime.

It is a super-2 number, since 2×42047469² = 3535979298611922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42047449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44797 + ... + 45725.

It is an arithmetic number, because the mean of its divisors is an integer number (2611440).

Almost surely, 2^42047469 is an apocalyptic number.

It is an amenable number.

42047469 is a deficient number, since it is larger than the sum of its proper divisors (20627091).

42047469 is a wasteful number, since it uses less digits than its factorization.

42047469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 42047469 is about 6484.4019770523. The cubic root of 42047469 is about 347.7335703495.

The spelling of 42047469 in words is "forty-two million, forty-seven thousand, four hundred sixty-nine".