6940577 has 4 divisors (see below), whose sum is σ = 7932096. Its totient is φ = 5949060.

The previous prime is 6940561. The next prime is 6940589. The reversal of 6940577 is 7750496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6940577 - 2⁴ = 6940561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6940577.

It is not an unprimeable number, because it can be changed into a prime (6940177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495749 + ... + 495762.

It is an arithmetic number, because the mean of its divisors is an integer number (1983024).

Almost surely, 2^6940577 is an apocalyptic number.

It is an amenable number.

6940577 is a deficient number, since it is larger than the sum of its proper divisors (991519).

6940577 is an equidigital number, since it uses as much as digits as its factorization.

6940577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991518.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 6940577 is about 2634.4974852901. The cubic root of 6940577 is about 190.7502835656.

The spelling of 6940577 in words is "six million, nine hundred forty thousand, five hundred seventy-seven".