70145339280 has 320 divisors, whose sum is σ = 239696658432. Its totient is φ = 16910530560.

The previous prime is 70145339263. The next prime is 70145339353. The reversal of 70145339280 is 8293354107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7353394 + ... + 7362926.

Almost surely, 2^70145339280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70145339280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119848329216).

70145339280 is an abundant number, since it is smaller than the sum of its proper divisors (169551319152).

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

70145339280 is a wasteful number, since it uses less digits than its factorization.

70145339280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646 (or 9640 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 70145339280 in words is "seventy billion, one hundred forty-five million, three hundred thirty-nine thousand, two hundred eighty".