70229587890 has 512 divisors, whose sum is σ = 224249389056. Its totient is φ = 13655900160.

The previous prime is 70229587871. The next prime is 70229587921. The reversal of 70229587890 is 9878592207.

It is a self number, because there is not a number n which added to its sum of digits gives 70229587890.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 356495272 + ... + 356495468.

It is an arithmetic number, because the mean of its divisors is an integer number (437987088).

Almost surely, 2^70229587890 is an apocalyptic number.

70229587890 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 70229587890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112124694528).

70229587890 is an abundant number, since it is smaller than the sum of its proper divisors (154019801166).

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

70229587890 is a wasteful number, since it uses less digits than its factorization.

70229587890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 5080320, while the sum is 57.

It can be divided in two parts, 702 and 29587890, that added together give a palindrome (29588592).

The spelling of 70229587890 in words is "seventy billion, two hundred twenty-nine million, five hundred eighty-seven thousand, eight hundred ninety".