697744 has 10 divisors (see below), whose sum is σ = 1351910. Its totient is φ = 348864.

The previous prime is 697733. The next prime is 697757. The reversal of 697744 is 447796.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 262144 = 660^2 + 512^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21789 + ... + 21820.

It is an arithmetic number, because the mean of its divisors is an integer number (135191).

2⁶⁹⁷⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

697744 is a deficient number, since it is larger than the sum of its proper divisors (654166).

697744 is a wasteful number, since it uses less digits than its factorization.

697744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43617 (or 43611 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 697744 is about 835.3107206304. The cubic root of 697744 is about 88.6949112598.

It can be divided in two parts, 6977 and 44, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 697744 in words is "six hundred ninety-seven thousand, seven hundred forty-four".