70016840 has 32 divisors (see below), whose sum is σ = 160894080. Its totient is φ = 27410112.

The previous prime is 70016803. The next prime is 70016851. The reversal of 70016840 is 4861007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16742 + ... + 20501.

It is an arithmetic number, because the mean of its divisors is an integer number (5027940).

Almost surely, 2^70016840 is an apocalyptic number.

It is an amenable number.

70016840 is an abundant number, since it is smaller than the sum of its proper divisors (90877240).

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

70016840 is a wasteful number, since it uses less digits than its factorization.

70016840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37301 (or 37297 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 70016840 is about 8367.6065873104. The cubic root of 70016840 is about 412.1615761141.

Adding to 70016840 its reverse (4861007), we get a palindrome (74877847).

The spelling of 70016840 in words is "seventy million, sixteen thousand, eight hundred forty".