70015230720 has 216 divisors, whose sum is σ = 247401475776. Its totient is φ = 18273337344.

The previous prime is 70015230667. The next prime is 70015230797. The reversal of 70015230720 is 2703251007.

70015230720 is a `hidden beast` number, since 70 + 0 + 1 + 523 + 0 + 72 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476784 + ... + 606096.

Almost surely, 2^70015230720 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 70015230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123700737888).

70015230720 is an abundant number, since it is smaller than the sum of its proper divisors (177386245056).

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

70015230720 is a wasteful number, since it uses less digits than its factorization.

70015230720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129387 (or 129370 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

Adding to 70015230720 its reverse (2703251007), we get a palindrome (72718481727).

The spelling of 70015230720 in words is "seventy billion, fifteen million, two hundred thirty thousand, seven hundred twenty".