70534458728447 has 8 divisors (see below), whose sum is σ = 84115627800576. Its totient is φ = 57829494112632.

The previous prime is 70534458728423. The next prime is 70534458728473. The reversal of 70534458728447 is 74482785443507.

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

It is not a de Polignac number, because 70534458728447 - 2⁴⁰ = 69434947100671 is a prime.

It is a super-2 number, since 2×70534458728447² (a number of 28 digits) 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 (70534458728477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219051113903 + ... + 219051114224.

It is an arithmetic number, because the mean of its divisors is an integer number (10514453475072).

Almost surely, 2^{70534458728447} is an apocalyptic number.

70534458728447 is a deficient number, since it is larger than the sum of its proper divisors (13581169072129).

70534458728447 is a wasteful number, since it uses less digits than its factorization.

70534458728447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438102228157.

The product of its (nonzero) digits is 842956800, while the sum is 68.

The spelling of 70534458728447 in words is "seventy trillion, five hundred thirty-four billion, four hundred fifty-eight million, seven hundred twenty-eight thousand, four hundred forty-seven".