42697170 has 24 divisors (see below), whose sum is σ = 111012876. Its totient is φ = 11385888.

The previous prime is 42697159. The next prime is 42697181. The reversal of 42697170 is 7179624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42697159) and next prime (42697181).

It can be written as a sum of positive squares in 2 ways, for example, as 42497361 + 199809 = 6519^2 + 447^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 237117 + ... + 237296.

Almost surely, 2^42697170 is an apocalyptic number.

42697170 is an abundant number, since it is smaller than the sum of its proper divisors (68315706).

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

42697170 is a wasteful number, since it uses less digits than its factorization.

42697170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474426 (or 474423 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 42697170 is about 6534.3071553149. The cubic root of 42697170 is about 349.5154382959.

The spelling of 42697170 in words is "forty-two million, six hundred ninety-seven thousand, one hundred seventy".