5742639 has 12 divisors (see below), whose sum is σ = 9480016. Its totient is φ = 3281472.

The previous prime is 5742631. The next prime is 5742641. The reversal of 5742639 is 9362475.

5742639 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5742639 - 2³ = 5742631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5742631) 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, 45514 + ... + 45639.

Almost surely, 2^5742639 is an apocalyptic number.

5742639 is a deficient number, since it is larger than the sum of its proper divisors (3737377).

5742639 is a wasteful number, since it uses less digits than its factorization.

5742639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91166 (or 91163 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 5742639 is about 2396.3803955132. The cubic root of 5742639 is about 179.0759121648.

The spelling of 5742639 in words is "five million, seven hundred forty-two thousand, six hundred thirty-nine".