70328321280 has 1152 divisors, whose sum is σ = 299602652160. Its totient is φ = 15479341056.

The previous prime is 70328321263. The next prime is 70328321291. The reversal of 70328321280 is 8212382307.

It is a happy number.

70328321280 is a `hidden beast` number, since 7 + 0 + 328 + 321 + 2 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 725034192 + ... + 725034288.

Almost surely, 2^70328321280 is an apocalyptic number.

70328321280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70328321280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149801326080).

70328321280 is an abundant number, since it is smaller than the sum of its proper divisors (229274330880).

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

70328321280 is an frugal number, since it uses more digits than its factorization.

70328321280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 70328321280 in words is "seventy billion, three hundred twenty-eight million, three hundred twenty-one thousand, two hundred eighty".