561740950 has 24 divisors (see below), whose sum is σ = 1047881592. Its totient is φ = 224041920.

The previous prime is 561740903. The next prime is 561740953. The reversal of 561740950 is 59047165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561740953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1162 + ... + 33538.

It is an arithmetic number, because the mean of its divisors is an integer number (43661733).

Almost surely, 2^561740950 is an apocalyptic number.

561740950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561740950 is a deficient number, since it is larger than the sum of its proper divisors (486140642).

561740950 is a wasteful number, since it uses less digits than its factorization.

561740950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32736 (or 32731 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 561740950 is about 23701.0748701404. The cubic root of 561740950 is about 825.1103372475.

The spelling of 561740950 in words is "five hundred sixty-one million, seven hundred forty thousand, nine hundred fifty".