70238641 has 8 divisors (see below), whose sum is σ = 76869504. Its totient is φ = 63648720.

The previous prime is 70238627. The next prime is 70238647. The reversal of 70238641 is 14683207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70238641 - 2⁷ = 70238513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70238647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6585 + ... + 13558.

It is an arithmetic number, because the mean of its divisors is an integer number (9608688).

Almost surely, 2^70238641 is an apocalyptic number.

It is an amenable number.

70238641 is a deficient number, since it is larger than the sum of its proper divisors (6630863).

70238641 is a wasteful number, since it uses less digits than its factorization.

70238641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20471.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70238641 is about 8380.8496585967. The cubic root of 70238641 is about 412.5963357490.

The spelling of 70238641 in words is "seventy million, two hundred thirty-eight thousand, six hundred forty-one".