240673563 has 24 divisors (see below), whose sum is σ = 376194000. Its totient is φ = 147389760.

The previous prime is 240673529. The next prime is 240673597. The reversal of 240673563 is 365376042.

240673563 is a `hidden beast` number, since 24 + 0 + 6 + 73 + 563 = 666.

240673563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (240673529) and next prime (240673597).

It is a de Polignac number, because none of the positive numbers 2^k-240673563 is a prime.

It is a super-2 number, since 2×240673563² = 115847527854229938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240673663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19813 + ... + 29561.

It is an arithmetic number, because the mean of its divisors is an integer number (15674750).

Almost surely, 2^240673563 is an apocalyptic number.

240673563 is a deficient number, since it is larger than the sum of its proper divisors (135520437).

240673563 is a wasteful number, since it uses less digits than its factorization.

240673563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979 (or 9976 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 240673563 is about 15513.6573057419. The cubic root of 240673563 is about 622.0273239583.

The spelling of 240673563 in words is "two hundred forty million, six hundred seventy-three thousand, five hundred sixty-three".