70172303151442 has 8 divisors (see below), whose sum is σ = 105258720574332. Its totient is φ = 35086062960000.

The previous prime is 70172303151347. The next prime is 70172303151449. The reversal of 70172303151442 is 24415130327107.

It can be written as a sum of positive squares in 2 ways, for example, as 70156019094561 + 16284056881 = 8375919^2 + 127609^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 70172303151395 and 70172303151404.

It is not an unprimeable number, because it can be changed into a prime (70172303151449) 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, 43313559 + ... + 44904442.

Almost surely, 2^{70172303151442} is an apocalyptic number.

70172303151442 is a deficient number, since it is larger than the sum of its proper divisors (35086417422890).

70172303151442 is a wasteful number, since it uses less digits than its factorization.

70172303151442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88615724.

The product of its (nonzero) digits is 141120, while the sum is 40.

Adding to 70172303151442 its reverse (24415130327107), we get a palindrome (94587433478549).

The spelling of 70172303151442 in words is "seventy trillion, one hundred seventy-two billion, three hundred three million, one hundred fifty-one thousand, four hundred forty-two".