5618772 has 36 divisors (see below), whose sum is σ = 15040116. Its totient is φ = 1762560.

The previous prime is 5618759. The next prime is 5618777. The reversal of 5618772 is 2778165.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 1602756 = 2004^2 + 1266^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3979 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (417781).

Almost surely, 2^5618772 is an apocalyptic number.

It is an amenable number.

5618772 is an abundant number, since it is smaller than the sum of its proper divisors (9421344).

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

5618772 is a wasteful number, since it uses less digits than its factorization.

5618772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208 (or 9203 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 5618772 is about 2370.3949038082. The cubic root of 5618772 is about 177.7790044476.

The spelling of 5618772 in words is "five million, six hundred eighteen thousand, seven hundred seventy-two".