561762676 has 6 divisors (see below), whose sum is σ = 983084690. Its totient is φ = 280881336.

The previous prime is 561762673. The next prime is 561762701. The reversal of 561762676 is 676267165.

It can be written as a sum of positive squares in only one way, i.e., 320768100 + 240994576 = 17910^2 + 15524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561762673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70220331 + ... + 70220338.

Almost surely, 2^561762676 is an apocalyptic number.

It is an amenable number.

561762676 is a deficient number, since it is larger than the sum of its proper divisors (421322014).

561762676 is a wasteful number, since it uses less digits than its factorization.

561762676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140440673 (or 140440671 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 561762676 is about 23701.5331993523. The cubic root of 561762676 is about 825.1209744852.

The spelling of 561762676 in words is "five hundred sixty-one million, seven hundred sixty-two thousand, six hundred seventy-six".