42299471 has 4 divisors (see below), whose sum is σ = 42408600. Its totient is φ = 42190344.

The previous prime is 42299449. The next prime is 42299497. The reversal of 42299471 is 17499224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42299471 - 2¹⁰ = 42298447 is a prime.

It is a super-3 number, since 3×42299471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53981 + ... + 54758.

It is an arithmetic number, because the mean of its divisors is an integer number (10602150).

Almost surely, 2^42299471 is an apocalyptic number.

42299471 is a deficient number, since it is larger than the sum of its proper divisors (109129).

42299471 is a wasteful number, since it uses less digits than its factorization.

42299471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109128.

The product of its digits is 36288, while the sum is 38.

The square root of 42299471 is about 6503.8043482257. The cubic root of 42299471 is about 348.4268746490.

The spelling of 42299471 in words is "forty-two million, two hundred ninety-nine thousand, four hundred seventy-one".