42287526 has 12 divisors (see below), whose sum is σ = 91623012. Its totient is φ = 14095836.

The previous prime is 42287489. The next prime is 42287537. The reversal of 42287526 is 62578224.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1174636 + ... + 1174671.

It is an arithmetic number, because the mean of its divisors is an integer number (7635251).

Almost surely, 2^42287526 is an apocalyptic number.

42287526 is an abundant number, since it is smaller than the sum of its proper divisors (49335486).

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

42287526 is a wasteful number, since it uses less digits than its factorization.

42287526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349315 (or 2349312 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 42287526 is about 6502.8859747038. The cubic root of 42287526 is about 348.3940739957.

The spelling of 42287526 in words is "forty-two million, two hundred eighty-seven thousand, five hundred twenty-six".