42170760 has 64 divisors (see below), whose sum is σ = 140572800. Its totient is φ = 11245248.

The previous prime is 42170759. The next prime is 42170767. The reversal of 42170760 is 6707124.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42170767) by changing a digit.

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, 18444 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (2196450).

Almost surely, 2^42170760 is an apocalyptic number.

42170760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42170760 is an abundant number, since it is smaller than the sum of its proper divisors (98402040).

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

42170760 is a wasteful number, since it uses less digits than its factorization.

42170760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39067 (or 39057 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 42170760 is about 6493.9017547234. The cubic root of 42170760 is about 348.0731118682.

Adding to 42170760 its reverse (6707124), we get a palindrome (48877884).

The spelling of 42170760 in words is "forty-two million, one hundred seventy thousand, seven hundred sixty".