42691270 has 8 divisors (see below), whose sum is σ = 76844304. Its totient is φ = 17076504.

The previous prime is 42691249. The next prime is 42691361. The reversal of 42691270 is 7219624.

42691270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134554 + ... + 2134573.

It is an arithmetic number, because the mean of its divisors is an integer number (9605538).

Almost surely, 2^42691270 is an apocalyptic number.

42691270 is a deficient number, since it is larger than the sum of its proper divisors (34153034).

42691270 is a wasteful number, since it uses less digits than its factorization.

42691270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269134.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 42691270 is about 6533.8556763981. The cubic root of 42691270 is about 349.4993385865.

The spelling of 42691270 in words is "forty-two million, six hundred ninety-one thousand, two hundred seventy".