561742007 has 4 divisors (see below), whose sum is σ = 564845736. Its totient is φ = 558638280.

The previous prime is 561742001. The next prime is 561742031. The reversal of 561742007 is 700247165.

561742007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700247165 = 5 ⋅140049433.

It is a cyclic number.

It is not a de Polignac number, because 561742007 - 2⁸ = 561741751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561742001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551593 + ... + 1551954.

It is an arithmetic number, because the mean of its divisors is an integer number (141211434).

Almost surely, 2^561742007 is an apocalyptic number.

561742007 is a deficient number, since it is larger than the sum of its proper divisors (3103729).

561742007 is a wasteful number, since it uses less digits than its factorization.

561742007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103728.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 561742007 is about 23701.0971686966. The cubic root of 561742007 is about 825.1108547702.

The spelling of 561742007 in words is "five hundred sixty-one million, seven hundred forty-two thousand, seven".