42992834 has 4 divisors (see below), whose sum is σ = 64489254. Its totient is φ = 21496416.

The previous prime is 42992821. The next prime is 42992849. The reversal of 42992834 is 43829924.

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

It can be written as a sum of positive squares in only one way, i.e., 38477209 + 4515625 = 6203^2 + 2125^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42992791 and 42992800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10748207 + ... + 10748210.

Almost surely, 2^42992834 is an apocalyptic number.

42992834 is a deficient number, since it is larger than the sum of its proper divisors (21496420).

42992834 is a wasteful number, since it uses less digits than its factorization.

42992834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21496419.

The product of its digits is 124416, while the sum is 41.

The square root of 42992834 is about 6556.8920991580. The cubic root of 42992834 is about 350.3203434455.

The spelling of 42992834 in words is "forty-two million, nine hundred ninety-two thousand, eight hundred thirty-four".