678050 has 24 divisors (see below), whose sum is σ = 1285632. Its totient is φ = 266000.

The previous prime is 678047. The next prime is 678061. The reversal of 678050 is 50876.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3455 + ... + 3645.

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

2⁶⁷⁸⁰⁵⁰ is an apocalyptic number.

678050 is a deficient number, since it is larger than the sum of its proper divisors (607582).

678050 is a wasteful number, since it uses less digits than its factorization.

678050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 678050 is about 823.4379150853. The cubic root of 678050 is about 87.8524559284.

The spelling of 678050 in words is "six hundred seventy-eight thousand, fifty".