5727645 has 128 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 2177280.

The previous prime is 5727613. The next prime is 5727647. The reversal of 5727645 is 5467275.

5727645 is a `hidden beast` number, since 5 + 7 + 2 + 7 + 645 = 666.

It is not a de Polignac number, because 5727645 - 2⁵ = 5727613 is a prime.

Its product of digits (58800) is a multiple of the sum of its prime factors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5727647) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 197491 + ... + 197519.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

Almost surely, 2^5727645 is an apocalyptic number.

5727645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5727645 is the 1197-th decagonal number.

It is an amenable number.

5727645 is an abundant number, since it is smaller than the sum of its proper divisors (8096355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5727645 is a wasteful number, since it uses less digits than its factorization.

5727645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 74 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 5727645 is about 2393.2498824820. The cubic root of 5727645 is about 178.9199209025.

The spelling of 5727645 in words is "five million, seven hundred twenty-seven thousand, six hundred forty-five".