70293069920 has 192 divisors, whose sum is σ = 172839344832. Its totient is φ = 26996736000.

The previous prime is 70293069919. The next prime is 70293069943. The reversal of 70293069920 is 2996039207.

It is a super-2 number, since 2×70293069920² (a number of 22 digits) contains 22 as substring.

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, 134919260 + ... + 134919780.

It is an arithmetic number, because the mean of its divisors is an integer number (900204921).

Almost surely, 2^70293069920 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 70293069920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86419672416).

70293069920 is an abundant number, since it is smaller than the sum of its proper divisors (102546274912).

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

70293069920 is a wasteful number, since it uses less digits than its factorization.

70293069920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 70293069920 in words is "seventy billion, two hundred ninety-three million, sixty-nine thousand, nine hundred twenty".