70024273640 has 256 divisors, whose sum is σ = 174667933440. Its totient is φ = 25159680000.

The previous prime is 70024273621. The next prime is 70024273663. The reversal of 70024273640 is 4637242007.

It is a Cunningham number, because it is equal to 264621²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 70024273640.

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, 386874350 + ... + 386874530.

It is an arithmetic number, because the mean of its divisors is an integer number (682296615).

Almost surely, 2^70024273640 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 70024273640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87333966720).

70024273640 is an abundant number, since it is smaller than the sum of its proper divisors (104643659800).

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

70024273640 is a wasteful number, since it uses less digits than its factorization.

70024273640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 70024273640 in words is "seventy billion, twenty-four million, two hundred seventy-three thousand, six hundred forty".