42073826 has 4 divisors (see below), whose sum is σ = 63110742. Its totient is φ = 21036912.

The previous prime is 42073817. The next prime is 42073853. The reversal of 42073826 is 62837024.

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., 30858025 + 11215801 = 5555^2 + 3349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42073792 and 42073801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10518455 + ... + 10518458.

Almost surely, 2^42073826 is an apocalyptic number.

42073826 is a deficient number, since it is larger than the sum of its proper divisors (21036916).

42073826 is a wasteful number, since it uses less digits than its factorization.

42073826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036915.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 42073826 is about 6486.4339971975. The cubic root of 42073826 is about 347.8062128459.

The spelling of 42073826 in words is "forty-two million, seventy-three thousand, eight hundred twenty-six".