42957586 has 32 divisors (see below), whose sum is σ = 76632192. Its totient is φ = 17677440.

The previous prime is 42957571. The next prime is 42957587. The reversal of 42957586 is 68575924.

It is not an unprimeable number, because it can be changed into a prime (42957587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37900 + ... + 39016.

It is an arithmetic number, because the mean of its divisors is an integer number (2394756).

Almost surely, 2^42957586 is an apocalyptic number.

42957586 is a deficient number, since it is larger than the sum of its proper divisors (33674606).

42957586 is a wasteful number, since it uses less digits than its factorization.

42957586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its digits is 604800, while the sum is 46.

The square root of 42957586 is about 6554.2036892364. The cubic root of 42957586 is about 350.2245796758.

It can be divided in two parts, 4295 and 7586, that added together give a square (11881 = 109²).

The spelling of 42957586 in words is "forty-two million, nine hundred fifty-seven thousand, five hundred eighty-six".