42724606 has 8 divisors (see below), whose sum is σ = 64709424. Its totient is φ = 21154800.

The previous prime is 42724601. The next prime is 42724607. The reversal of 42724606 is 60642724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42724601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103495 + ... + 103906.

It is an arithmetic number, because the mean of its divisors is an integer number (8088678).

Almost surely, 2^42724606 is an apocalyptic number.

42724606 is a deficient number, since it is larger than the sum of its proper divisors (21984818).

42724606 is a wasteful number, since it uses less digits than its factorization.

42724606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207506.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 42724606 is about 6536.4061991281. The cubic root of 42724606 is about 349.5902851952.

The spelling of 42724606 in words is "forty-two million, seven hundred twenty-four thousand, six hundred six".