70007420724 has 96 divisors (see below), whose sum is σ = 178152670080. Its totient is φ = 21307133952.

The previous prime is 70007420719. The next prime is 70007420731. The reversal of 70007420724 is 42702470007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2605792 + ... + 2632520.

It is an arithmetic number, because the mean of its divisors is an integer number (1855756980).

Almost surely, 2^70007420724 is an apocalyptic number.

70007420724 is a gapful number since it is divisible by the number (74) 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 70007420724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89076335040).

70007420724 is an abundant number, since it is smaller than the sum of its proper divisors (108145249356).

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

70007420724 is a wasteful number, since it uses less digits than its factorization.

70007420724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27137 (or 27135 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The spelling of 70007420724 in words is "seventy billion, seven million, four hundred twenty thousand, seven hundred twenty-four".