42158762 has 8 divisors (see below), whose sum is σ = 64947396. Its totient is φ = 20509632.

The previous prime is 42158737. The next prime is 42158789. The reversal of 42158762 is 26785124.

It can be written as a sum of positive squares in 2 ways, for example, as 30591961 + 11566801 = 5531^2 + 3401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42158762² = 3554722426745288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284783 + ... + 284930.

Almost surely, 2^42158762 is an apocalyptic number.

42158762 is a deficient number, since it is larger than the sum of its proper divisors (22788634).

42158762 is a wasteful number, since it uses less digits than its factorization.

42158762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569752.

The product of its digits is 26880, while the sum is 35.

The square root of 42158762 is about 6492.9778992385. The cubic root of 42158762 is about 348.0400986515.

The spelling of 42158762 in words is "forty-two million, one hundred fifty-eight thousand, seven hundred sixty-two".