70440247700 has 72 divisors (see below), whose sum is σ = 156455277888. Its totient is φ = 27520024320.

The previous prime is 70440247697. The next prime is 70440247739. The reversal of 70440247700 is 774204407.

It is a congruent number.

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, 705059 + ... + 798741.

Almost surely, 2^70440247700 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 70440247700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78227638944).

70440247700 is an abundant number, since it is smaller than the sum of its proper divisors (86015030188).

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

70440247700 is a wasteful number, since it uses less digits than its factorization.

70440247700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93873 (or 93866 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The spelling of 70440247700 in words is "seventy billion, four hundred forty million, two hundred forty-seven thousand, seven hundred".