70745630130 has 144 divisors (see below), whose sum is σ = 218007315864. Its totient is φ = 15865274880.

The previous prime is 70745630107. The next prime is 70745630167. The reversal of 70745630130 is 3103654707.

70745630130 is a `hidden beast` number, since 7 + 0 + 7 + 4 + 5 + 630 + 13 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69381140409 + 1364489721 = 263403^2 + 36939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 82390 + ... + 385070.

Almost surely, 2^70745630130 is an apocalyptic number.

70745630130 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 70745630130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109003657932).

70745630130 is an abundant number, since it is smaller than the sum of its proper divisors (147261685734).

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

70745630130 is a wasteful number, since it uses less digits than its factorization.

70745630130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302761 (or 302751 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 70745630130 in words is "seventy billion, seven hundred forty-five million, six hundred thirty thousand, one hundred thirty".