70205345070 has 128 divisors (see below), whose sum is σ = 194340529152. Its totient is φ = 15899520000.

The previous prime is 70205345033. The next prime is 70205345129. The reversal of 70205345070 is 7054350207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10380490 + ... + 10387250.

It is an arithmetic number, because the mean of its divisors is an integer number (1518285384).

Almost surely, 2^70205345070 is an apocalyptic number.

70205345070 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 70205345070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97170264576).

70205345070 is an abundant number, since it is smaller than the sum of its proper divisors (124135184082).

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

70205345070 is a wasteful number, since it uses less digits than its factorization.

70205345070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226.

The product of its (nonzero) digits is 29400, while the sum is 33.

Adding to 70205345070 its reverse (7054350207), we get a palindrome (77259695277).

The spelling of 70205345070 in words is "seventy billion, two hundred five million, three hundred forty-five thousand, seventy".