197790701 has 4 divisors (see below), whose sum is σ = 204611100. Its totient is φ = 190970304.

The previous prime is 197790679. The next prime is 197790707. The reversal of 197790701 is 107097791.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45292900 + 152497801 = 6730^2 + 12349^2 .

It is a cyclic number.

It is not a de Polignac number, because 197790701 - 2¹⁸ = 197528557 is a prime.

It is a super-2 number, since 2×197790701² = 78242322804142802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197790707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3410156 + ... + 3410213.

It is an arithmetic number, because the mean of its divisors is an integer number (51152775).

Almost surely, 2^197790701 is an apocalyptic number.

It is an amenable number.

197790701 is a deficient number, since it is larger than the sum of its proper divisors (6820399).

197790701 is an equidigital number, since it uses as much as digits as its factorization.

197790701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820398.

The product of its (nonzero) digits is 27783, while the sum is 41.

The square root of 197790701 is about 14063.8081969287. The cubic root of 197790701 is about 582.6422265019.

The spelling of 197790701 in words is "one hundred ninety-seven million, seven hundred ninety thousand, seven hundred one".