70981298 has 8 divisors (see below), whose sum is σ = 106937580. Its totient is φ = 35335440.

The previous prime is 70981297. The next prime is 70981303. The reversal of 70981298 is 89218907.

It can be written as a sum of positive squares in 2 ways, for example, as 65723449 + 5257849 = 8107^2 + 2293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (70981297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77033 + ... + 77948.

Almost surely, 2^70981298 is an apocalyptic number.

70981298 is a deficient number, since it is larger than the sum of its proper divisors (35956282).

70981298 is a wasteful number, since it uses less digits than its factorization.

70981298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155212.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 70981298 is about 8425.0399405581. The cubic root of 70981298 is about 414.0454142033.

The spelling of 70981298 in words is "seventy million, nine hundred eighty-one thousand, two hundred ninety-eight".