6692040 has 96 divisors (see below), whose sum is σ = 22534200. Its totient is φ = 1720320.

The previous prime is 6692029. The next prime is 6692051. The reversal of 6692040 is 402966.

It is an interprime number because it is at equal distance from previous prime (6692029) and next prime (6692051).

It can be written as a sum of positive squares in 4 ways, for example, as 6380676 + 311364 = 2526^2 + 558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6691995 and 6692013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10120 + ... + 10760.

Almost surely, 2^6692040 is an apocalyptic number.

6692040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6692040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11267100).

6692040 is an abundant number, since it is smaller than the sum of its proper divisors (15842160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6692040 is a wasteful number, since it uses less digits than its factorization.

6692040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6692040 is about 2586.8977560004. The cubic root of 6692040 is about 188.4456757012.

The spelling of 6692040 in words is "six million, six hundred ninety-two thousand, forty".