675820042 has 4 divisors (see below), whose sum is σ = 1013730066. Its totient is φ = 337910020.

The previous prime is 675820039. The next prime is 675820069. The reversal of 675820042 is 240028576.

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., 405579321 + 270240721 = 20139^2 + 16439^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168955009 + ... + 168955012.

Almost surely, 2^675820042 is an apocalyptic number.

675820042 is a deficient number, since it is larger than the sum of its proper divisors (337910024).

675820042 is a wasteful number, since it uses less digits than its factorization.

675820042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337910023.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 675820042 is about 25996.5390388798. The cubic root of 675820042 is about 877.5604099070.

The spelling of 675820042 in words is "six hundred seventy-five million, eight hundred twenty thousand, forty-two".