42516346 has 4 divisors (see below), whose sum is σ = 63774522. Its totient is φ = 21258172.

The previous prime is 42516323. The next prime is 42516359. The reversal of 42516346 is 64361524.

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., 30371121 + 12145225 = 5511^2 + 3485^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10629085 + ... + 10629088.

Almost surely, 2^42516346 is an apocalyptic number.

42516346 is a deficient number, since it is larger than the sum of its proper divisors (21258176).

42516346 is a wasteful number, since it uses less digits than its factorization.

42516346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21258175.

The product of its digits is 17280, while the sum is 31.

The square root of 42516346 is about 6520.4559656515. The cubic root of 42516346 is about 349.0213367798.

The spelling of 42516346 in words is "forty-two million, five hundred sixteen thousand, three hundred forty-six".