207697056 has 96 divisors (see below), whose sum is σ = 655925760. Its totient is φ = 56215296.

The previous prime is 207697031. The next prime is 207697067. The reversal of 207697056 is 650796702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 207696999 and 207697017.

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, 4635 + ... + 20901.

It is an arithmetic number, because the mean of its divisors is an integer number (6832560).

Almost surely, 2^207697056 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 207697056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327962880).

207697056 is an abundant number, since it is smaller than the sum of its proper divisors (448228704).

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

207697056 is a wasteful number, since it uses less digits than its factorization.

207697056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306 (or 16298 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 207697056 is about 14411.6985813609. The cubic root of 207697056 is about 592.2114231455.

The spelling of 207697056 in words is "two hundred seven million, six hundred ninety-seven thousand, fifty-six".