6992145 has 12 divisors (see below), whose sum is σ = 12119796. Its totient is φ = 3729120.

The previous prime is 6992137. The next prime is 6992147. The reversal of 6992145 is 5412996.

It can be written as a sum of positive squares in 2 ways, for example, as 4822416 + 2169729 = 2196^2 + 1473^2 .

It is not a de Polignac number, because 6992145 - 2³ = 6992137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6992147) 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, 77646 + ... + 77735.

It is an arithmetic number, because the mean of its divisors is an integer number (1009983).

Almost surely, 2^6992145 is an apocalyptic number.

It is an amenable number.

6992145 is a deficient number, since it is larger than the sum of its proper divisors (5127651).

6992145 is a wasteful number, since it uses less digits than its factorization.

6992145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155392 (or 155389 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 6992145 is about 2644.2664389203. The cubic root of 6992145 is about 191.2215387610.

The spelling of 6992145 in words is "six million, nine hundred ninety-two thousand, one hundred forty-five".