245673668 has 12 divisors (see below), whose sum is σ = 430794000. Its totient is φ = 122589672.

The previous prime is 245673661. The next prime is 245673677. The reversal of 245673668 is 866376542.

245673668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245673668² = 120711102297148448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245673661) 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, 59546 + ... + 63537.

It is an arithmetic number, because the mean of its divisors is an integer number (35899500).

Almost surely, 2^245673668 is an apocalyptic number.

It is an amenable number.

245673668 is a deficient number, since it is larger than the sum of its proper divisors (185120332).

245673668 is a wasteful number, since it uses less digits than its factorization.

245673668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123586 (or 123584 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The square root of 245673668 is about 15673.9806048113. The cubic root of 245673668 is about 626.3054680001.

The spelling of 245673668 in words is "two hundred forty-five million, six hundred seventy-three thousand, six hundred sixty-eight".