70248381 has 8 divisors (see below), whose sum is σ = 107045184. Its totient is φ = 40141920.

The previous prime is 70248379. The next prime is 70248397. The reversal of 70248381 is 18384207.

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

It is not a de Polignac number, because 70248381 - 2¹ = 70248379 is a prime.

It is a super-2 number, since 2×70248381² = 9869670066242322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70248331) 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, 1672560 + ... + 1672601.

It is an arithmetic number, because the mean of its divisors is an integer number (13380648).

Almost surely, 2^70248381 is an apocalyptic number.

It is an amenable number.

70248381 is a deficient number, since it is larger than the sum of its proper divisors (36796803).

70248381 is a wasteful number, since it uses less digits than its factorization.

70248381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345171.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 70248381 is about 8381.4307251209. The cubic root of 70248381 is about 412.6154064605.

The spelling of 70248381 in words is "seventy million, two hundred forty-eight thousand, three hundred eighty-one".