5578723 has 4 divisors (see below), whose sum is σ = 5872360. Its totient is φ = 5285088.

The previous prime is 5578717. The next prime is 5578753. The reversal of 5578723 is 3278755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5578723 is a prime.

It is a super-2 number, since 2×5578723² = 62244300621458, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5⁵ + 5⁹ + 7³ + 8⁷ + 7⁷ + 2¹⁹ + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5578753) 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, 146790 + ... + 146827.

It is an arithmetic number, because the mean of its divisors is an integer number (1468090).

Almost surely, 2^5578723 is an apocalyptic number.

5578723 is a deficient number, since it is larger than the sum of its proper divisors (293637).

5578723 is a wasteful number, since it uses less digits than its factorization.

5578723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293636.

The product of its digits is 58800, while the sum is 37.

The square root of 5578723 is about 2361.9320481335. The cubic root of 5578723 is about 177.3556109380.

Subtracting from 5578723 its reverse (3278755), we obtain a cube (2299968 = 132³).

The spelling of 5578723 in words is "five million, five hundred seventy-eight thousand, seven hundred twenty-three".