42105470 has 16 divisors (see below), whose sum is σ = 82680048. Its totient is φ = 15311040.

The previous prime is 42105461. The next prime is 42105491. The reversal of 42105470 is 7450124.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191279 + ... + 191498.

It is an arithmetic number, because the mean of its divisors is an integer number (5167503).

Almost surely, 2^42105470 is an apocalyptic number.

42105470 is a deficient number, since it is larger than the sum of its proper divisors (40574578).

42105470 is a wasteful number, since it uses less digits than its factorization.

42105470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382795.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42105470 is about 6488.8727834656. The cubic root of 42105470 is about 347.8933867715.

Adding to 42105470 its reverse (7450124), we get a palindrome (49555594).

It can be divided in two parts, 421054 and 70, that added together give a palindrome (421124).

The spelling of 42105470 in words is "forty-two million, one hundred five thousand, four hundred seventy".