70393841 has 12 divisors (see below), whose sum is σ = 86197680. Its totient is φ = 57161160.

The previous prime is 70393831. The next prime is 70393859. The reversal of 70393841 is 14839307.

It is a de Polignac number, because none of the positive numbers 2^k-70393841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70393801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36875 + ... + 38736.

It is an arithmetic number, because the mean of its divisors is an integer number (7183140).

Almost surely, 2^70393841 is an apocalyptic number.

It is an amenable number.

70393841 is a deficient number, since it is larger than the sum of its proper divisors (15803839).

70393841 is a wasteful number, since it uses less digits than its factorization.

70393841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75644 (or 75637 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70393841 is about 8390.1037538281. The cubic root of 70393841 is about 412.9000045184.

The spelling of 70393841 in words is "seventy million, three hundred ninety-three thousand, eight hundred forty-one".