70556130 has 64 divisors (see below), whose sum is σ = 194659200. Its totient is φ = 18164160.

The previous prime is 70556099. The next prime is 70556131. The reversal of 70556130 is 3165507.

70556130 is a `hidden beast` number, since 70 + 5 + 561 + 30 = 666.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70556094 and 70556103.

It is not an unprimeable number, because it can be changed into a prime (70556131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3325 + ... + 12335.

It is an arithmetic number, because the mean of its divisors is an integer number (3041550).

Almost surely, 2^70556130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70556130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97329600).

70556130 is an abundant number, since it is smaller than the sum of its proper divisors (124103070).

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

70556130 is a wasteful number, since it uses less digits than its factorization.

70556130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056 (or 9050 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 70556130 is about 8399.7696396985. The cubic root of 70556130 is about 413.2170668186.

The spelling of 70556130 in words is "seventy million, five hundred fifty-six thousand, one hundred thirty".