70381011 has 4 divisors (see below), whose sum is σ = 93841352. Its totient is φ = 46920672.

The previous prime is 70381009. The next prime is 70381019. The reversal of 70381011 is 11018307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11018307 = 3 ⋅3672769.

It is not a de Polignac number, because 70381011 - 2¹ = 70381009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70381019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11730166 + ... + 11730171.

It is an arithmetic number, because the mean of its divisors is an integer number (23460338).

Almost surely, 2^70381011 is an apocalyptic number.

70381011 is a deficient number, since it is larger than the sum of its proper divisors (23460341).

70381011 is a wasteful number, since it uses less digits than its factorization.

70381011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23460340.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 70381011 is about 8389.3391277263. The cubic root of 70381011 is about 412.8749179064.

Adding to 70381011 its reverse (11018307), we get a palindrome (81399318).

The spelling of 70381011 in words is "seventy million, three hundred eighty-one thousand, eleven".