690067 has 6 divisors (see below), whose sum is σ = 802788. Its totient is φ = 591444.

The previous prime is 690059. The next prime is 690073. The reversal of 690067 is 760096.

690067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690067 - 2³ = 690059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6993 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (133798).

2⁶⁹⁰⁰⁶⁷ is an apocalyptic number.

690067 is a deficient number, since it is larger than the sum of its proper divisors (112721).

690067 is a wasteful number, since it uses less digits than its factorization.

690067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097 (or 14090 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 690067 is about 830.7027145736. The cubic root of 690067 is about 88.3684192728.

The spelling of 690067 in words is "six hundred ninety thousand, sixty-seven".