561454074 has 24 divisors (see below), whose sum is σ = 1219563540. Its totient is φ = 186677568.

The previous prime is 561454073. The next prime is 561454109. The reversal of 561454074 is 470454165.

It can be written as a sum of positive squares in 2 ways, for example, as 462551049 + 98903025 = 21507^2 + 9945^2 .

It is a super-2 number, since 2×561454074² = 630461354422394952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561454073) 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, 32139 + ... + 46430.

Almost surely, 2^561454074 is an apocalyptic number.

561454074 is an abundant number, since it is smaller than the sum of its proper divisors (658109466).

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

561454074 is a wasteful number, since it uses less digits than its factorization.

561454074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78974 (or 78971 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 561454074 is about 23695.0221354613. The cubic root of 561454074 is about 824.9698545459.

Subtracting from 561454074 its reverse (470454165), we obtain a palindrome (90999909).

The spelling of 561454074 in words is "five hundred sixty-one million, four hundred fifty-four thousand, seventy-four".