697049960 has 64 divisors (see below), whose sum is σ = 1722729600. Its totient is φ = 252654336.

The previous prime is 697049959. The next prime is 697049971. The reversal of 697049960 is 69940796.

It is a junction number, because it is equal to n+sod(n) for n = 697049899 and 697049908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459 + ... + 37418.

It is an arithmetic number, because the mean of its divisors is an integer number (26917650).

Almost surely, 2^697049960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697049960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861364800).

697049960 is an abundant number, since it is smaller than the sum of its proper divisors (1025679640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697049960 is a wasteful number, since it uses less digits than its factorization.

697049960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39930 (or 39926 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 697049960 is about 26401.7037329033. The cubic root of 697049960 is about 886.6549348012.

The spelling of 697049960 in words is "six hundred ninety-seven million, forty-nine thousand, nine hundred sixty".