70103481 has 16 divisors (see below), whose sum is σ = 109431168. Its totient is φ = 39081600.

The previous prime is 70103479. The next prime is 70103503. The reversal of 70103481 is 18430107.

It is not a de Polignac number, because 70103481 - 2¹ = 70103479 is a prime.

It is a super-2 number, since 2×70103481² = 9828996096634722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70103401) 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, 39850 + ... + 41571.

It is an arithmetic number, because the mean of its divisors is an integer number (6839448).

Almost surely, 2^70103481 is an apocalyptic number.

It is an amenable number.

70103481 is a deficient number, since it is larger than the sum of its proper divisors (39327687).

70103481 is a wasteful number, since it uses less digits than its factorization.

70103481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81472.

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

The square root of 70103481 is about 8372.7821540991. The cubic root of 70103481 is about 412.3315131923.

Adding to 70103481 its reverse (18430107), we get a palindrome (88533588).

The spelling of 70103481 in words is "seventy million, one hundred three thousand, four hundred eighty-one".