70668676620 has 144 divisors (see below), whose sum is σ = 218189855520. Its totient is φ = 18509011968.

The previous prime is 70668676601. The next prime is 70668676649. The reversal of 70668676620 is 2667686607.

70668676620 is a `hidden beast` number, since 7 + 0 + 6 + 6 + 8 + 6 + 7 + 6 + 620 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15853432 + ... + 15857888.

It is an arithmetic number, because the mean of its divisors is an integer number (1515207330).

Almost surely, 2^70668676620 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 70668676620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109094927760).

70668676620 is an abundant number, since it is smaller than the sum of its proper divisors (147521178900).

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

70668676620 is a wasteful number, since it uses less digits than its factorization.

70668676620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024 (or 6019 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 70668676620 in words is "seventy billion, six hundred sixty-eight million, six hundred seventy-six thousand, six hundred twenty".