43942034 has 4 divisors (see below), whose sum is σ = 65913054. Its totient is φ = 21971016.

The previous prime is 43942027. The next prime is 43942043. The reversal of 43942034 is 43024934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43024934 = 2 ⋅21512467.

It can be written as a sum of positive squares in only one way, i.e., 27008809 + 16933225 = 5197^2 + 4115^2 .

It is a super-3 number, since 3×43942034³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43941988 and 43942006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10985507 + ... + 10985510.

Almost surely, 2^43942034 is an apocalyptic number.

43942034 is a deficient number, since it is larger than the sum of its proper divisors (21971020).

43942034 is a wasteful number, since it uses less digits than its factorization.

43942034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21971019.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 43942034 is about 6628.8787890563. The cubic root of 43942034 is about 352.8797349702.

Adding to 43942034 its reverse (43024934), we get a palindrome (86966968).

The spelling of 43942034 in words is "forty-three million, nine hundred forty-two thousand, thirty-four".