42493170 has 32 divisors (see below), whose sum is σ = 104156928. Its totient is φ = 11090048.

The previous prime is 42493169. The next prime is 42493181. The reversal of 42493170 is 7139424.

It is a happy number.

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

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, 13659 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (3254904).

Almost surely, 2^42493170 is an apocalyptic number.

42493170 is an abundant number, since it is smaller than the sum of its proper divisors (61663758).

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

42493170 is a wasteful number, since it uses less digits than its factorization.

42493170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30194.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42493170 is about 6518.6785470676. The cubic root of 42493170 is about 348.9579071463.

The spelling of 42493170 in words is "forty-two million, four hundred ninety-three thousand, one hundred seventy".