42299943 has 8 divisors (see below), whose sum is σ = 64457088. Its totient is φ = 24171384.

The previous prime is 42299941. The next prime is 42299963. The reversal of 42299943 is 34999224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42299943 - 2¹ = 42299941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42299895 and 42299904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007121 + ... + 1007162.

It is an arithmetic number, because the mean of its divisors is an integer number (8057136).

Almost surely, 2^42299943 is an apocalyptic number.

42299943 is a deficient number, since it is larger than the sum of its proper divisors (22157145).

42299943 is a wasteful number, since it uses less digits than its factorization.

42299943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014293.

The product of its digits is 139968, while the sum is 42.

The square root of 42299943 is about 6503.8406345789. The cubic root of 42299943 is about 348.4281706217.

The spelling of 42299943 in words is "forty-two million, two hundred ninety-nine thousand, nine hundred forty-three".