3642719 has 8 divisors (see below), whose sum is σ = 3834000. Its totient is φ = 3455872.

The previous prime is 3642707. The next prime is 3642721. The reversal of 3642719 is 9172463.

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

It is not a de Polignac number, because 3642719 - 2²⁰ = 2594143 is a prime.

It is a super-2 number, since 2×3642719² = 26538803425922, 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 (3642739) 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, 647 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (479250).

Almost surely, 2^3642719 is an apocalyptic number.

3642719 is a deficient number, since it is larger than the sum of its proper divisors (191281).

3642719 is a wasteful number, since it uses less digits than its factorization.

3642719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217.

The product of its digits is 9072, while the sum is 32.

The square root of 3642719 is about 1908.5908414325. The cubic root of 3642719 is about 153.8657259907.

The spelling of 3642719 in words is "three million, six hundred forty-two thousand, seven hundred nineteen".