70116840 has 320 divisors, whose sum is σ = 266587200. Its totient is φ = 16422912.

The previous prime is 70116829. The next prime is 70116841. The reversal of 70116840 is 4861107.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70116841) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1046487 + ... + 1046553.

It is an arithmetic number, because the mean of its divisors is an integer number (833085).

Almost surely, 2^70116840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70116840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133293600).

70116840 is an abundant number, since it is smaller than the sum of its proper divisors (196470360).

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

70116840 is a wasteful number, since it uses less digits than its factorization.

70116840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 70116840 is about 8373.5798795975. The cubic root of 70116840 is about 412.3577029846.

Adding to 70116840 its reverse (4861107), we get a palindrome (74977947).

The spelling of 70116840 in words is "seventy million, one hundred sixteen thousand, eight hundred forty".