70671140 has 12 divisors (see below), whose sum is σ = 148409436. Its totient is φ = 28268448.

The previous prime is 70671137. The next prime is 70671151. The reversal of 70671140 is 4117607.

It can be written as a sum of positive squares in 2 ways, for example, as 54878464 + 15792676 = 7408^2 + 3974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766759 + ... + 1766798.

It is an arithmetic number, because the mean of its divisors is an integer number (12367453).

Almost surely, 2^70671140 is an apocalyptic number.

It is an amenable number.

70671140 is an abundant number, since it is smaller than the sum of its proper divisors (77738296).

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

70671140 is a wasteful number, since it uses less digits than its factorization.

70671140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533566 (or 3533564 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70671140 is about 8406.6128732088. The cubic root of 70671140 is about 413.4414663901.

Adding to 70671140 its reverse (4117607), we get a palindrome (74788747).

The spelling of 70671140 in words is "seventy million, six hundred seventy-one thousand, one hundred forty".