70197242 has 24 divisors (see below), whose sum is σ = 112705824. Its totient is φ = 32770584.

The previous prime is 70197223. The next prime is 70197247. The reversal of 70197242 is 24279107.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70197199 and 70197208.

It is not an unprimeable number, because it can be changed into a prime (70197247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44723 + ... + 46265.

It is an arithmetic number, because the mean of its divisors is an integer number (4696076).

Almost surely, 2^70197242 is an apocalyptic number.

70197242 is a deficient number, since it is larger than the sum of its proper divisors (42508582).

70197242 is a wasteful number, since it uses less digits than its factorization.

70197242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 70197242 is about 8378.3794375762. The cubic root of 70197242 is about 412.5152577154.

The spelling of 70197242 in words is "seventy million, one hundred ninety-seven thousand, two hundred forty-two".