42989710 has 8 divisors (see below), whose sum is σ = 77381496. Its totient is φ = 17195880.

The previous prime is 42989699. The next prime is 42989743. The reversal of 42989710 is 1798924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149476 + ... + 2149495.

It is an arithmetic number, because the mean of its divisors is an integer number (9672687).

Almost surely, 2^42989710 is an apocalyptic number.

42989710 is a deficient number, since it is larger than the sum of its proper divisors (34391786).

42989710 is a wasteful number, since it uses less digits than its factorization.

42989710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298978.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 42989710 is about 6556.6538722126. The cubic root of 42989710 is about 350.3118580991.

The spelling of 42989710 in words is "forty-two million, nine hundred eighty-nine thousand, seven hundred ten".