70163973 has 24 divisors (see below), whose sum is σ = 110859840. Its totient is φ = 42408960.

The previous prime is 70163953. The next prime is 70163983. The reversal of 70163973 is 37936107.

It is not a de Polignac number, because 70163973 - 2⁹ = 70163461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70163923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49093 + ... + 50501.

It is an arithmetic number, because the mean of its divisors is an integer number (4619160).

Almost surely, 2^70163973 is an apocalyptic number.

It is an amenable number.

70163973 is a deficient number, since it is larger than the sum of its proper divisors (40695867).

70163973 is a wasteful number, since it uses less digits than its factorization.

70163973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 70163973 is about 8376.3937944679. The cubic root of 70163973 is about 412.4500788072.

The spelling of 70163973 in words is "seventy million, one hundred sixty-three thousand, nine hundred seventy-three".