42726706 has 16 divisors (see below), whose sum is σ = 73596960. Its totient is φ = 18398880.

The previous prime is 42726667. The next prime is 42726727. The reversal of 42726706 is 60762724.

It is a super-2 number, since 2×42726706² = 3651142811220872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50691 + ... + 51526.

It is an arithmetic number, because the mean of its divisors is an integer number (4599810).

Almost surely, 2^42726706 is an apocalyptic number.

42726706 is a deficient number, since it is larger than the sum of its proper divisors (30870254).

42726706 is a wasteful number, since it uses less digits than its factorization.

42726706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102249.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 42726706 is about 6536.5668358856. The cubic root of 42726706 is about 349.5960127891.

The spelling of 42726706 in words is "forty-two million, seven hundred twenty-six thousand, seven hundred six".