70728351483 has 4 divisors (see below), whose sum is σ = 94304468648. Its totient is φ = 47152234320.

The previous prime is 70728351481. The next prime is 70728351487. The reversal of 70728351483 is 38415382707.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70728351483 - 2¹ = 70728351481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70728351481) 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, 11788058578 + ... + 11788058583.

It is an arithmetic number, because the mean of its divisors is an integer number (23576117162).

Almost surely, 2^70728351483 is an apocalyptic number.

70728351483 is a deficient number, since it is larger than the sum of its proper divisors (23576117165).

70728351483 is a wasteful number, since it uses less digits than its factorization.

70728351483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23576117164.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 70728351483 in words is "seventy billion, seven hundred twenty-eight million, three hundred fifty-one thousand, four hundred eighty-three".