70497457173 has 144 divisors (see below), whose sum is σ = 122875159680. Its totient is φ = 38923822080.

The previous prime is 70497457133. The next prime is 70497457187. The reversal of 70497457173 is 37175479407.

It is not a de Polignac number, because 70497457173 - 2⁸ = 70497456917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70497457133) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 196371568 + ... + 196371926.

It is an arithmetic number, because the mean of its divisors is an integer number (853299720).

Almost surely, 2^70497457173 is an apocalyptic number.

It is an amenable number.

70497457173 is a deficient number, since it is larger than the sum of its proper divisors (52377702507).

70497457173 is a wasteful number, since it uses less digits than its factorization.

70497457173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 70497457173 in words is "seventy billion, four hundred ninety-seven million, four hundred fifty-seven thousand, one hundred seventy-three".