42071526 has 48 divisors (see below), whose sum is σ = 107547648. Its totient is φ = 11631600.

The previous prime is 42071521. The next prime is 42071527. The reversal of 42071526 is 62517024.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42071526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42071521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1480 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (2240576).

Almost surely, 2^42071526 is an apocalyptic number.

42071526 is an abundant number, since it is smaller than the sum of its proper divisors (65476122).

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

42071526 is a wasteful number, since it uses less digits than its factorization.

42071526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817 (or 10814 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42071526 is about 6486.2567016732. The cubic root of 42071526 is about 347.7998750270.

The spelling of 42071526 in words is "forty-two million, seventy-one thousand, five hundred twenty-six".