5651740 has 48 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 2106432.

The previous prime is 5651731. The next prime is 5651741. The reversal of 5651740 is 471565.

It is a junction number, because it is equal to n+sod(n) for n = 5651699 and 5651708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40591 + ... + 40729.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^5651740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5651740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6350400).

5651740 is an abundant number, since it is smaller than the sum of its proper divisors (7049060).

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

5651740 is a wasteful number, since it uses less digits than its factorization.

5651740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5651740 is about 2377.3388483765. The cubic root of 5651740 is about 178.1260311831.

The spelling of 5651740 in words is "five million, six hundred fifty-one thousand, seven hundred forty".