70741281 has 16 divisors (see below), whose sum is σ = 101729600. Its totient is φ = 43467840.

The previous prime is 70741247. The next prime is 70741283. The reversal of 70741281 is 18214707.

It is not a de Polignac number, because 70741281 - 2¹⁵ = 70708513 is a prime.

It is a super-2 number, since 2×70741281² = 10008657675041922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70741283) 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 15 ways as a sum of consecutive naturals, for example, 44895 + ... + 46443.

It is an arithmetic number, because the mean of its divisors is an integer number (6358100).

Almost surely, 2^70741281 is an apocalyptic number.

It is an amenable number.

70741281 is a deficient number, since it is larger than the sum of its proper divisors (30988319).

70741281 is a wasteful number, since it uses less digits than its factorization.

70741281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 70741281 is about 8410.7836139090. The cubic root of 70741281 is about 413.5782011746.

Adding to 70741281 its reverse (18214707), we get a palindrome (88955988).

The spelling of 70741281 in words is "seventy million, seven hundred forty-one thousand, two hundred eighty-one".