42756158 has 4 divisors (see below), whose sum is σ = 64134240. Its totient is φ = 21378078.

The previous prime is 42756151. The next prime is 42756239. The reversal of 42756158 is 85165724.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42756151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10689038 + ... + 10689041.

It is an arithmetic number, because the mean of its divisors is an integer number (16033560).

Almost surely, 2^42756158 is an apocalyptic number.

42756158 is a deficient number, since it is larger than the sum of its proper divisors (21378082).

42756158 is a wasteful number, since it uses less digits than its factorization.

42756158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21378081.

The product of its digits is 67200, while the sum is 38.

The square root of 42756158 is about 6538.8193123835. The cubic root of 42756158 is about 349.6763211633.

The spelling of 42756158 in words is "forty-two million, seven hundred fifty-six thousand, one hundred fifty-eight".