697478 has 4 divisors (see below), whose sum is σ = 1046220. Its totient is φ = 348738.

The previous prime is 697457. The next prime is 697481. The reversal of 697478 is 874796.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697478.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174368 + ... + 174371.

It is an arithmetic number, because the mean of its divisors is an integer number (261555).

2⁶⁹⁷⁴⁷⁸ is an apocalyptic number.

697478 is a deficient number, since it is larger than the sum of its proper divisors (348742).

697478 is a wasteful number, since it uses less digits than its factorization.

697478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348741.

The product of its digits is 84672, while the sum is 41.

The square root of 697478 is about 835.1514832652. The cubic root of 697478 is about 88.6836388136.

The spelling of 697478 in words is "six hundred ninety-seven thousand, four hundred seventy-eight".