70210540 has 24 divisors (see below), whose sum is σ = 148966272. Its totient is φ = 27793920.

The previous prime is 70210523. The next prime is 70210549. The reversal of 70210540 is 4501207.

It is not an unprimeable number, because it can be changed into a prime (70210549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16156 + ... + 20035.

It is an arithmetic number, because the mean of its divisors is an integer number (6206928).

Almost surely, 2^70210540 is an apocalyptic number.

It is an amenable number.

70210540 is an abundant number, since it is smaller than the sum of its proper divisors (78755732).

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

70210540 is a wasteful number, since it uses less digits than its factorization.

70210540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36297 (or 36295 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70210540 is about 8379.1729902181. The cubic root of 70210540 is about 412.5413047099.

Adding to 70210540 its reverse (4501207), we get a palindrome (74711747).

The spelling of 70210540 in words is "seventy million, two hundred ten thousand, five hundred forty".