70104381 has 16 divisors (see below), whose sum is σ = 96774144. Its totient is φ = 45105984.

The previous prime is 70104313. The next prime is 70104389. The reversal of 70104381 is 18340107.

It is not a de Polignac number, because 70104381 - 2¹⁵ = 70071613 is a prime.

It is a super-2 number, since 2×70104381² = 9829248470786322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70104389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11611 + ... + 16583.

It is an arithmetic number, because the mean of its divisors is an integer number (6048384).

Almost surely, 2^70104381 is an apocalyptic number.

It is an amenable number.

70104381 is a deficient number, since it is larger than the sum of its proper divisors (26669763).

70104381 is a wasteful number, since it uses less digits than its factorization.

70104381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 70104381 is about 8372.8358995026. The cubic root of 70104381 is about 412.3332777113. Note that the first 3 decimals are identical.

Adding to 70104381 its reverse (18340107), we get a palindrome (88444488).

The spelling of 70104381 in words is "seventy million, one hundred four thousand, three hundred eighty-one".