42725419 has 8 divisors (see below), whose sum is σ = 46660608. Its totient is φ = 38798760.

The previous prime is 42725401. The next prime is 42725453. The reversal of 42725419 is 91452724.

42725419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42725419 - 2⁹ = 42724907 is a prime.

It is a super-2 number, since 2×42725419² = 3650922857451122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42725489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13134 + ... + 16060.

It is an arithmetic number, because the mean of its divisors is an integer number (5832576).

Almost surely, 2^42725419 is an apocalyptic number.

42725419 is a deficient number, since it is larger than the sum of its proper divisors (3935189).

42725419 is a wasteful number, since it uses less digits than its factorization.

42725419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265.

The product of its digits is 20160, while the sum is 34.

The square root of 42725419 is about 6536.4683889697. The cubic root of 42725419 is about 349.5925026145.

The spelling of 42725419 in words is "forty-two million, seven hundred twenty-five thousand, four hundred nineteen".