42025719 has 8 divisors (see below), whose sum is σ = 56121712. Its totient is φ = 27973440.

The previous prime is 42025703. The next prime is 42025723. The reversal of 42025719 is 91752024.

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

It is not a de Polignac number, because 42025719 - 2⁴ = 42025703 is a prime.

It is a super-2 number, since 2×42025719² = 3532322114933922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42025729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8614 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (7015214).

Almost surely, 2^42025719 is an apocalyptic number.

42025719 is a deficient number, since it is larger than the sum of its proper divisors (14095993).

42025719 is a wasteful number, since it uses less digits than its factorization.

42025719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21857.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 42025719 is about 6482.7246586601. The cubic root of 42025719 is about 347.6736023357.

The spelling of 42025719 in words is "forty-two million, twenty-five thousand, seven hundred nineteen".