70238207 has 8 divisors (see below), whose sum is σ = 77486640. Its totient is φ = 63253440.

The previous prime is 70238171. The next prime is 70238209. The reversal of 70238207 is 70283207.

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 70238207 - 2¹⁶ = 70172671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70238207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70238209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65357 + ... + 66422.

It is an arithmetic number, because the mean of its divisors is an integer number (9685830).

Almost surely, 2^70238207 is an apocalyptic number.

70238207 is a deficient number, since it is larger than the sum of its proper divisors (7248433).

70238207 is a wasteful number, since it uses less digits than its factorization.

70238207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131833.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 70238207 is about 8380.8237661939. The cubic root of 70238207 is about 412.5954859453.

The spelling of 70238207 in words is "seventy million, two hundred thirty-eight thousand, two hundred seven".