70348147520 has 560 divisors, whose sum is σ = 211728710400. Its totient is φ = 22190837760.

The previous prime is 70348147483. The next prime is 70348147523. The reversal of 70348147520 is 2574184307.

It is a tau number, because it is divible by the number of its divisors (560).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70348147523) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 890482841 + ... + 890482919.

Almost surely, 2^70348147520 is an apocalyptic number.

70348147520 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 70348147520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105864355200).

70348147520 is an abundant number, since it is smaller than the sum of its proper divisors (141380562880).

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

70348147520 is an equidigital number, since it uses as much as digits as its factorization.

70348147520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 70348147520 in words is "seventy billion, three hundred forty-eight million, one hundred forty-seven thousand, five hundred twenty".