70243388 has 24 divisors (see below), whose sum is σ = 131037984. Its totient is φ = 32832000.

The previous prime is 70243367. The next prime is 70243417. The reversal of 70243388 is 88334207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6848 + ... + 13688.

It is an arithmetic number, because the mean of its divisors is an integer number (5459916).

Almost surely, 2^70243388 is an apocalyptic number.

It is an amenable number.

70243388 is a deficient number, since it is larger than the sum of its proper divisors (60794596).

70243388 is a wasteful number, since it uses less digits than its factorization.

70243388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 70243388 is about 8381.1328589875. The cubic root of 70243388 is about 412.6056304936.

The spelling of 70243388 in words is "seventy million, two hundred forty-three thousand, three hundred eighty-eight".