197070479 has 4 divisors (see below), whose sum is σ = 197109984. Its totient is φ = 197030976.

The previous prime is 197070439. The next prime is 197070481. The reversal of 197070479 is 974070791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974070791 = 173 ⋅5630467.

It is a cyclic number.

It is not a de Polignac number, because 197070479 - 2¹² = 197066383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197070439) 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, 10967 + ... + 22680.

It is an arithmetic number, because the mean of its divisors is an integer number (49277496).

Almost surely, 2^197070479 is an apocalyptic number.

197070479 is a deficient number, since it is larger than the sum of its proper divisors (39505).

197070479 is an equidigital number, since it uses as much as digits as its factorization.

197070479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39504.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 197070479 is about 14038.1793335176. The cubic root of 197070479 is about 581.9341680674.

The spelling of 197070479 in words is "one hundred ninety-seven million, seventy thousand, four hundred seventy-nine".