42712719 has 8 divisors (see below), whose sum is σ = 65086080. Its totient is φ = 24407256.

The previous prime is 42712711. The next prime is 42712723. The reversal of 42712719 is 91721724.

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

It is not a de Polignac number, because 42712719 - 2³ = 42712711 is a prime.

It is a super-2 number, since 2×42712719² = 3648752728745922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42712719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42712711) 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, 1016949 + ... + 1016990.

It is an arithmetic number, because the mean of its divisors is an integer number (8135760).

Almost surely, 2^42712719 is an apocalyptic number.

42712719 is a deficient number, since it is larger than the sum of its proper divisors (22373361).

42712719 is a wasteful number, since it uses less digits than its factorization.

42712719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033949.

The product of its digits is 7056, while the sum is 33.

The square root of 42712719 is about 6535.4968441581. The cubic root of 42712719 is about 349.5578607482.

The spelling of 42712719 in words is "forty-two million, seven hundred twelve thousand, seven hundred nineteen".