70697309760 has 2688 divisors, whose sum is σ = 360258969600. Its totient is φ = 12819824640.

The previous prime is 70697309759. The next prime is 70697309773. The reversal of 70697309760 is 6790379607.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 70697309697 and 70697309706.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1504198057 + ... + 1504198103.

Almost surely, 2^70697309760 is an apocalyptic number.

70697309760 is a gapful number since it is divisible by the number (70) 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 70697309760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180129484800).

70697309760 is an abundant number, since it is smaller than the sum of its proper divisors (289561659840).

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

70697309760 is a wasteful number, since it uses less digits than its factorization.

70697309760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 54.

The spelling of 70697309760 in words is "seventy billion, six hundred ninety-seven million, three hundred nine thousand, seven hundred sixty".