6690027 has 16 divisors (see below), whose sum is σ = 9649152. Its totient is φ = 4106880.

The previous prime is 6690001. The next prime is 6690029. The reversal of 6690027 is 7200966.

It is not a de Polignac number, because 6690027 - 2¹⁹ = 6165739 is a prime.

It is a super-2 number, since 2×6690027² = 89512922521458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6689976 and 6690003.

It is not an unprimeable number, because it can be changed into a prime (6690029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002 + ... + 3792.

It is an arithmetic number, because the mean of its divisors is an integer number (603072).

Almost surely, 2^6690027 is an apocalyptic number.

6690027 is a deficient number, since it is larger than the sum of its proper divisors (2959125).

6690027 is a wasteful number, since it uses less digits than its factorization.

6690027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 6690027 is about 2586.5086506718. The cubic root of 6690027 is about 188.4267786639.

The spelling of 6690027 in words is "six million, six hundred ninety thousand, twenty-seven".