697477 has 8 divisors (see below), whose sum is σ = 767520. Its totient is φ = 628560.

The previous prime is 697457. The next prime is 697481. The reversal of 697477 is 774796.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 697477 - 2¹⁹ = 173189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (95940).

2⁶⁹⁷⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

697477 is a deficient number, since it is larger than the sum of its proper divisors (70043).

697477 is a wasteful number, since it uses less digits than its factorization.

697477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

The product of its digits is 74088, while the sum is 40.

The square root of 697477 is about 835.1508845712. The cubic root of 697477 is about 88.6835964306.

The spelling of 697477 in words is "six hundred ninety-seven thousand, four hundred seventy-seven".