42625719 has 12 divisors (see below), whose sum is σ = 61837776. Its totient is φ = 28293792.

The previous prime is 42625703. The next prime is 42625741. The reversal of 42625719 is 91752624.

It is not a de Polignac number, because 42625719 - 2⁴ = 42625703 is a prime.

It is a super-2 number, since 2×42625719² = 3633903840533922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42625799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8067 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (5153148).

Almost surely, 2^42625719 is an apocalyptic number.

42625719 is a deficient number, since it is larger than the sum of its proper divisors (19212057).

42625719 is a wasteful number, since it uses less digits than its factorization.

42625719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20566 (or 20563 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 42625719 is about 6528.8374922340. The cubic root of 42625719 is about 349.3203654849.

The spelling of 42625719 in words is "forty-two million, six hundred twenty-five thousand, seven hundred nineteen".