42732799 has 4 divisors (see below), whose sum is σ = 43247736. Its totient is φ = 42217864.

The previous prime is 42732793. The next prime is 42732829. The reversal of 42732799 is 99723724.

It is a happy number.

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 42732799 - 2¹³ = 42724607 is a prime.

It is a super-2 number, since 2×42732799² = 3652184220748802, which contains 22 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 (42732793) 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, 257344 + ... + 257509.

It is an arithmetic number, because the mean of its divisors is an integer number (10811934).

Almost surely, 2^42732799 is an apocalyptic number.

42732799 is a deficient number, since it is larger than the sum of its proper divisors (514937).

42732799 is an equidigital number, since it uses as much as digits as its factorization.

42732799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514936.

The product of its digits is 190512, while the sum is 43.

The square root of 42732799 is about 6537.0328896220. The cubic root of 42732799 is about 349.6126299314.

The spelling of 42732799 in words is "forty-two million, seven hundred thirty-two thousand, seven hundred ninety-nine".