42837694 has 4 divisors (see below), whose sum is σ = 64256544. Its totient is φ = 21418846.

The previous prime is 42837659. The next prime is 42837713. The reversal of 42837694 is 49673824.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42837694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10709422 + ... + 10709425.

It is an arithmetic number, because the mean of its divisors is an integer number (16064136).

Almost surely, 2^42837694 is an apocalyptic number.

42837694 is a deficient number, since it is larger than the sum of its proper divisors (21418850).

42837694 is a wasteful number, since it uses less digits than its factorization.

42837694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418849.

The product of its digits is 290304, while the sum is 43.

The square root of 42837694 is about 6545.0511075163. The cubic root of 42837694 is about 349.8984576181.

The spelling of 42837694 in words is "forty-two million, eight hundred thirty-seven thousand, six hundred ninety-four".