42726554 has 16 divisors (see below), whose sum is σ = 72653280. Its totient is φ = 18681840.

The previous prime is 42726529. The next prime is 42726569. The reversal of 42726554 is 45562724.

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, 42752 + ... + 43739.

It is an arithmetic number, because the mean of its divisors is an integer number (4540830).

Almost surely, 2^42726554 is an apocalyptic number.

42726554 is a deficient number, since it is larger than the sum of its proper divisors (29926726).

42726554 is a wasteful number, since it uses less digits than its factorization.

42726554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86525.

The product of its digits is 67200, while the sum is 35.

The square root of 42726554 is about 6536.5552089767. Note that the first 3 decimals coincide. The cubic root of 42726554 is about 349.5955982267.

The spelling of 42726554 in words is "forty-two million, seven hundred twenty-six thousand, five hundred fifty-four".