42723086 has 32 divisors (see below), whose sum is σ = 76403712. Its totient is φ = 17534880.

The previous prime is 42723017. The next prime is 42723089. The reversal of 42723086 is 68032724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42723089) 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, 34091 + ... + 35321.

It is an arithmetic number, because the mean of its divisors is an integer number (2387616).

Almost surely, 2^42723086 is an apocalyptic number.

42723086 is a deficient number, since it is larger than the sum of its proper divisors (33680626).

42723086 is a wasteful number, since it uses less digits than its factorization.

42723086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 42723086 is about 6536.2899262502. The cubic root of 42723086 is about 349.5861393912.

The spelling of 42723086 in words is "forty-two million, seven hundred twenty-three thousand, eighty-six".