5642740 has 24 divisors (see below), whose sum is σ = 12029472. Its totient is φ = 2222880.

The previous prime is 5642729. The next prime is 5642743. The reversal of 5642740 is 472465.

5642740 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5642699 and 5642708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642743) 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, 766 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (501228).

Almost surely, 2^5642740 is an apocalyptic number.

It is an amenable number.

5642740 is an abundant number, since it is smaller than the sum of its proper divisors (6386732).

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

5642740 is a wasteful number, since it uses less digits than its factorization.

5642740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287 (or 4285 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 5642740 is about 2375.4452214269. The cubic root of 5642740 is about 178.0314298748.

The spelling of 5642740 in words is "five million, six hundred forty-two thousand, seven hundred forty".