668050 has 24 divisors (see below), whose sum is σ = 1285632. Its totient is φ = 258000.

The previous prime is 668047. The next prime is 668051. The reversal of 668050 is 50866.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (668051) 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, 1335 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2⁶⁶⁸⁰⁵⁰ is an apocalyptic number.

668050 is a deficient number, since it is larger than the sum of its proper divisors (617582).

668050 is a wasteful number, since it uses less digits than its factorization.

668050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 668050 is about 817.3432571448. The cubic root of 668050 is about 87.4184273782.

The spelling of 668050 in words is "six hundred sixty-eight thousand, fifty".