70271140 has 24 divisors (see below), whose sum is σ = 151559352. Its totient is φ = 27348480.

The previous prime is 70271129. The next prime is 70271143. The reversal of 70271140 is 4117207.

70271140 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36072036 + 34199104 = 6006^2 + 5848^2 .

70271140 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (70271143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46741 + ... + 48220.

It is an arithmetic number, because the mean of its divisors is an integer number (6314973).

Almost surely, 2^70271140 is an apocalyptic number.

It is an amenable number.

70271140 is an abundant number, since it is smaller than the sum of its proper divisors (81288212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70271140 is a wasteful number, since it uses less digits than its factorization.

70271140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95007 (or 95005 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 70271140 is about 8382.7883189306. The cubic root of 70271140 is about 412.6599612244.

Adding to 70271140 its reverse (4117207), we get a palindrome (74388347).

The spelling of 70271140 in words is "seventy million, two hundred seventy-one thousand, one hundred forty".