70309548072 has 256 divisors, whose sum is σ = 204294931200. Its totient is φ = 22664738304.

The previous prime is 70309548059. The next prime is 70309548083. The reversal of 70309548072 is 27084590307.

70309548072 is a `hidden beast` number, since 7 + 0 + 30 + 9 + 548 + 0 + 72 = 666.

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, 202621003 + ... + 202621349.

It is an arithmetic number, because the mean of its divisors is an integer number (798027075).

Almost surely, 2^70309548072 is an apocalyptic number.

70309548072 is a gapful number since it is divisible by the number (72) 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 70309548072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102147465600).

70309548072 is an abundant number, since it is smaller than the sum of its proper divisors (133985383128).

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

70309548072 is a wasteful number, since it uses less digits than its factorization.

70309548072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 70309548072 in words is "seventy billion, three hundred nine million, five hundred forty-eight thousand, seventy-two".