70710030 has 64 divisors (see below), whose sum is σ = 189331200. Its totient is φ = 18779040.

The previous prime is 70710011. The next prime is 70710047. The reversal of 70710030 is 3001707.

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

It is a junction number, because it is equal to n+sod(n) for n = 70709985 and 70710012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101985 + ... + 102675.

It is an arithmetic number, because the mean of its divisors is an integer number (2958300).

Almost surely, 2^70710030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70710030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94665600).

70710030 is an abundant number, since it is smaller than the sum of its proper divisors (118621170).

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

70710030 is a wasteful number, since it uses less digits than its factorization.

70710030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 70710030 is about 8408.9256150831. The cubic root of 70710030 is about 413.5172907892.

Adding to 70710030 its reverse (3001707), we get a palindrome (73711737).

The spelling of 70710030 in words is "seventy million, seven hundred ten thousand, thirty".