566402738 has 32 divisors (see below), whose sum is σ = 970054272. Its totient is φ = 245520000.

The previous prime is 566402731. The next prime is 566402747. The reversal of 566402738 is 837204665.

It is a happy number.

It is a super-2 number, since 2×566402738² = 641624123227793288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566402695 and 566402704.

It is not an unprimeable number, because it can be changed into a prime (566402731) 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, 187238 + ... + 190238.

It is an arithmetic number, because the mean of its divisors is an integer number (30314196).

Almost surely, 2^566402738 is an apocalyptic number.

566402738 is a deficient number, since it is larger than the sum of its proper divisors (403651534).

566402738 is a wasteful number, since it uses less digits than its factorization.

566402738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 566402738 is about 23799.2171719996. The cubic root of 566402738 is about 827.3865334271.

It can be divided in two parts, 566 and 402738, that added together give a palindrome (403304).

The spelling of 566402738 in words is "five hundred sixty-six million, four hundred two thousand, seven hundred thirty-eight".