42475758 has 64 divisors (see below), whose sum is σ = 98122752. Its totient is φ = 12142080.

The previous prime is 42475751. The next prime is 42475793. The reversal of 42475758 is 85757424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42475751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136423 + ... + 136733.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^42475758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42475758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49061376).

42475758 is an abundant number, since it is smaller than the sum of its proper divisors (55646994).

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

42475758 is a wasteful number, since it uses less digits than its factorization.

42475758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 313600, while the sum is 42.

The square root of 42475758 is about 6517.3428634682. The cubic root of 42475758 is about 348.9102376410.

It can be divided in two parts, 42 and 475758, that added together give a triangular number (475800 = T₉₇₅).

The spelling of 42475758 in words is "forty-two million, four hundred seventy-five thousand, seven hundred fifty-eight".