5371668 has 18 divisors (see below), whose sum is σ = 13578474. Its totient is φ = 1790544.

The previous prime is 5371657. The next prime is 5371669. The reversal of 5371668 is 8661735.

It can be written as a sum of positive squares in only one way, i.e., 4112784 + 1258884 = 2028^2 + 1122^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 149213 = 5371668 / (5 + 3 + 7 + 1 + 6 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5371669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74571 + ... + 74642.

Almost surely, 2^5371668 is an apocalyptic number.

It is an amenable number.

5371668 is an abundant number, since it is smaller than the sum of its proper divisors (8206806).

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

5371668 is a wasteful number, since it uses less digits than its factorization.

5371668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149223 (or 149218 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5371668 is about 2317.6859148729. The cubic root of 5371668 is about 175.1336991890.

The spelling of 5371668 in words is "five million, three hundred seventy-one thousand, six hundred sixty-eight".