70117110 has 128 divisors (see below), whose sum is σ = 223119360. Its totient is φ = 15320448.

The previous prime is 70117097. The next prime is 70117111. The reversal of 70117110 is 1171107.

It is a super-2 number, since 2×70117110² = 9832818229504200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70117111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42664 + ... + 44276.

It is an arithmetic number, because the mean of its divisors is an integer number (1743120).

Almost surely, 2^70117110 is an apocalyptic number.

70117110 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70117110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111559680).

70117110 is an abundant number, since it is smaller than the sum of its proper divisors (153002250).

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

70117110 is a wasteful number, since it uses less digits than its factorization.

70117110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 49, while the sum is 18.

The square root of 70117110 is about 8373.5960017187. The cubic root of 70117110 is about 412.3582322747.

Adding to 70117110 its reverse (1171107), we get a palindrome (71288217).

The spelling of 70117110 in words is "seventy million, one hundred seventeen thousand, one hundred ten".