42799732 has 6 divisors (see below), whose sum is σ = 74899538. Its totient is φ = 21399864.

The previous prime is 42799699. The next prime is 42799733. The reversal of 42799732 is 23799724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23386896 + 19412836 = 4836^2 + 4406^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42799733) 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, 5349963 + ... + 5349970.

Almost surely, 2^42799732 is an apocalyptic number.

It is an amenable number.

42799732 is a deficient number, since it is larger than the sum of its proper divisors (32099806).

42799732 is a wasteful number, since it uses less digits than its factorization.

42799732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10699937 (or 10699935 counting only the distinct ones).

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

The square root of 42799732 is about 6542.1504109887. The cubic root of 42799732 is about 349.7950691486.

The spelling of 42799732 in words is "forty-two million, seven hundred ninety-nine thousand, seven hundred thirty-two".