42725814 has 8 divisors (see below), whose sum is σ = 85451640. Its totient is φ = 14241936.

The previous prime is 42725797. The next prime is 42725819. The reversal of 42725814 is 41852724.

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

42725814 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42725819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560479 + ... + 3560490.

It is an arithmetic number, because the mean of its divisors is an integer number (10681455).

Almost surely, 2^42725814 is an apocalyptic number.

42725814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42725814 is a wasteful number, since it uses less digits than its factorization.

42725814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120974.

The product of its digits is 17920, while the sum is 33.

The square root of 42725814 is about 6536.4986039928. The cubic root of 42725814 is about 349.5935799483.

The spelling of 42725814 in words is "forty-two million, seven hundred twenty-five thousand, eight hundred fourteen".