70116620 has 48 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 23888064.

The previous prime is 70116611. The next prime is 70116623. The reversal of 70116620 is 2661107.

It is not an unprimeable number, because it can be changed into a prime (70116623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21881 + ... + 24879.

It is an arithmetic number, because the mean of its divisors is an integer number (3528000).

Almost surely, 2^70116620 is an apocalyptic number.

70116620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70116620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672000).

70116620 is an abundant number, since it is smaller than the sum of its proper divisors (99227380).

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

70116620 is a wasteful number, since it uses less digits than its factorization.

70116620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 70116620 is about 8373.5667430313. The cubic root of 70116620 is about 412.3572717103.

Adding to 70116620 its reverse (2661107), we get a palindrome (72777727).

It can be divided in two parts, 7011 and 6620, that added together give a palindrome (13631).

The spelling of 70116620 in words is "seventy million, one hundred sixteen thousand, six hundred twenty".