70697373457 has 4 divisors (see below), whose sum is σ = 70697934576. Its totient is φ = 70696812340.

The previous prime is 70697373433. The next prime is 70697373463. The reversal of 70697373457 is 75437379607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 70697373457 - 2¹⁵ = 70697340689 is a prime.

It is a super-2 number, since 2×70697373457² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70697373407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982 + ... + 376072.

It is an arithmetic number, because the mean of its divisors is an integer number (17674483644).

Almost surely, 2^70697373457 is an apocalyptic number.

It is an amenable number.

70697373457 is a deficient number, since it is larger than the sum of its proper divisors (561119).

70697373457 is a wasteful number, since it uses less digits than its factorization.

70697373457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561118.

The product of its (nonzero) digits is 23337720, while the sum is 58.

The spelling of 70697373457 in words is "seventy billion, six hundred ninety-seven million, three hundred seventy-three thousand, four hundred fifty-seven".