42472719 has 6 divisors (see below), whose sum is σ = 61349496. Its totient is φ = 28315140.

The previous prime is 42472709. The next prime is 42472721. The reversal of 42472719 is 91727424.

It is not a de Polignac number, because 42472719 - 2¹¹ = 42470671 is a prime.

It is a super-2 number, since 2×42472719² = 3607863718505922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42472709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359587 + ... + 2359604.

It is an arithmetic number, because the mean of its divisors is an integer number (10224916).

Almost surely, 2^42472719 is an apocalyptic number.

42472719 is a deficient number, since it is larger than the sum of its proper divisors (18876777).

42472719 is a wasteful number, since it uses less digits than its factorization.

42472719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719197 (or 4719194 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 42472719 is about 6517.1097121347. The cubic root of 42472719 is about 348.9019163181.

The spelling of 42472719 in words is "forty-two million, four hundred seventy-two thousand, seven hundred nineteen".