42724084 has 48 divisors (see below), whose sum is σ = 85942080. Its totient is φ = 18420480.

The previous prime is 42724079. The next prime is 42724109. The reversal of 42724084 is 48042724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81744 + ... + 82264.

It is an arithmetic number, because the mean of its divisors is an integer number (1790460).

Almost surely, 2^42724084 is an apocalyptic number.

It is an amenable number.

42724084 is an abundant number, since it is smaller than the sum of its proper divisors (43217996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42724084 is a wasteful number, since it uses less digits than its factorization.

42724084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 42724084 is about 6536.3662688072. The cubic root of 42724084 is about 349.5888614499.

The spelling of 42724084 in words is "forty-two million, seven hundred twenty-four thousand, eighty-four".