70475034393481 has 9 divisors (see below), whose sum is σ = 74379636772941. Its totient is φ = 66765670948044.

The previous prime is 70475034393461. The next prime is 70475034393499. The reversal of 70475034393481 is 18439343057407.

The square root of 70475034393481 is 8394941.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 70475034393481 - 2¹³ = 70475034385289 is a prime.

It is a super-2 number, since 2×70475034393481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70475034393461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 159282960 + ... + 159724798.

Almost surely, 2^{70475034393481} is an apocalyptic number.

70475034393481 is the 8394941-st square number.

70475034393481 is the 4197471-st centered octagonal number.

It is an amenable number.

70475034393481 is a deficient number, since it is larger than the sum of its proper divisors (3904602379460).

70475034393481 is an frugal number, since it uses more digits than its factorization.

70475034393481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883716 (or 441858 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 70475034393481 in words is "seventy trillion, four hundred seventy-five billion, thirty-four million, three hundred ninety-three thousand, four hundred eighty-one".