70702491840 has 224 divisors, whose sum is σ = 236607583680. Its totient is φ = 17860018176.

The previous prime is 70702491803. The next prime is 70702491857. The reversal of 70702491840 is 4819420707.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70702491792 and 70702491801.

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, 1451562 + ... + 1499478.

Almost surely, 2^70702491840 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 70702491840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118303791840).

70702491840 is an abundant number, since it is smaller than the sum of its proper divisors (165905091840).

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

70702491840 is a wasteful number, since it uses less digits than its factorization.

70702491840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48019 (or 48009 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 70702491840 in words is "seventy billion, seven hundred two million, four hundred ninety-one thousand, eight hundred forty".