42070410 has 96 divisors (see below), whose sum is σ = 119688192. Its totient is φ = 10206720.

The previous prime is 42070397. The next prime is 42070421. The reversal of 42070410 is 1407024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 46987 + ... + 47873.

It is an arithmetic number, because the mean of its divisors is an integer number (1246752).

Almost surely, 2^42070410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42070410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59844096).

42070410 is an abundant number, since it is smaller than the sum of its proper divisors (77617782).

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

42070410 is a wasteful number, since it uses less digits than its factorization.

42070410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 42070410 is about 6486.1706730551. The cubic root of 42070410 is about 347.7967997238.

Adding to 42070410 its reverse (1407024), we get a palindrome (43477434).

The spelling of 42070410 in words is "forty-two million, seventy thousand, four hundred ten".