42299072 has 14 divisors (see below), whose sum is σ = 83937348. Its totient is φ = 21149504.

The previous prime is 42299071. The next prime is 42299083. The reversal of 42299072 is 27099224.

It is a happy number.

It is a super-2 number, since 2×42299072² = 3578422984122368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42299071) by changing a digit.

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 as a sum of consecutive naturals, namely, 330398 + ... + 330525.

Almost surely, 2^42299072 is an apocalyptic number.

It is an amenable number.

42299072 is a deficient number, since it is larger than the sum of its proper divisors (41638276).

42299072 is an equidigital number, since it uses as much as digits as its factorization.

42299072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660935 (or 660925 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 42299072 is about 6503.7736737989. The cubic root of 42299072 is about 348.4257791053.

The spelling of 42299072 in words is "forty-two million, two hundred ninety-nine thousand, seventy-two".