42137670 has 32 divisors (see below), whose sum is σ = 102083328. Its totient is φ = 11130848.

The previous prime is 42137663. The next prime is 42137681. The reversal of 42137670 is 7673124.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3354 + ... + 9773.

It is an arithmetic number, because the mean of its divisors is an integer number (3190104).

Almost surely, 2^42137670 is an apocalyptic number.

42137670 is an abundant number, since it is smaller than the sum of its proper divisors (59945658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42137670 is a wasteful number, since it uses less digits than its factorization.

42137670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13244.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 42137670 is about 6491.3534798222. The cubic root of 42137670 is about 347.9820475611.

The spelling of 42137670 in words is "forty-two million, one hundred thirty-seven thousand, six hundred seventy".