697077 has 12 divisors (see below), whose sum is σ = 1021644. Its totient is φ = 457920.

The previous prime is 697069. The next prime is 697079. The reversal of 697077 is 770796.

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 269361 = 654^2 + 519^2 .

It is not a de Polignac number, because 697077 - 2³ = 697069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (85137).

2⁶⁹⁷⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

697077 is a deficient number, since it is larger than the sum of its proper divisors (324567).

697077 is a wasteful number, since it uses less digits than its factorization.

697077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 697077 is about 834.9113725420. The cubic root of 697077 is about 88.6666399708. Note that the first 4 decimals are identical.

The spelling of 697077 in words is "six hundred ninety-seven thousand, seventy-seven".