5726642 has 12 divisors (see below), whose sum is σ = 8705466. Its totient is φ = 2825280.

The previous prime is 5726639. The next prime is 5726663. The reversal of 5726642 is 2466275.

It can be written as a sum of positive squares in 3 ways, for example, as 5707321 + 19321 = 2389^2 + 139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5726599 and 5726608.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23642 + ... + 23882.

Almost surely, 2^5726642 is an apocalyptic number.

5726642 is a deficient number, since it is larger than the sum of its proper divisors (2978824).

5726642 is a wasteful number, since it uses less digits than its factorization.

5726642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 352 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 5726642 is about 2393.0403256109. The cubic root of 5726642 is about 178.9094764030.

The spelling of 5726642 in words is "five million, seven hundred twenty-six thousand, six hundred forty-two".