5642719 has 4 divisors (see below), whose sum is σ = 5680240. Its totient is φ = 5605200.

The previous prime is 5642717. The next prime is 5642729. The reversal of 5642719 is 9172465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5642719 - 2¹ = 5642717 is a prime.

It is a super-2 number, since 2×5642719² = 63680555425922, 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 (5642711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18534 + ... + 18835.

It is an arithmetic number, because the mean of its divisors is an integer number (1420060).

Almost surely, 2^5642719 is an apocalyptic number.

5642719 is a deficient number, since it is larger than the sum of its proper divisors (37521).

5642719 is a wasteful number, since it uses less digits than its factorization.

5642719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37520.

The product of its digits is 15120, while the sum is 34.

The square root of 5642719 is about 2375.4408011988. The cubic root of 5642719 is about 178.0312090209.

The spelling of 5642719 in words is "five million, six hundred forty-two thousand, seven hundred nineteen".