70947143377920 has 352 divisors, whose sum is σ = 260266686858240. Its totient is φ = 18308939120640.

The previous prime is 70947143377919. The next prime is 70947143377921. The reversal of 70947143377920 is 2977334174907.

70947143377920 is a `hidden beast` number, since 7 + 0 + 9 + 47 + 1 + 433 + 77 + 92 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (70947143377919) and next prime (70947143377921).

It is not an unprimeable number, because it can be changed into a prime (70947143377921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3992257 + ... + 12563136.

Almost surely, 2^{70947143377920} is an apocalyptic number.

It is an amenable number.

70947143377920 is an abundant number, since it is smaller than the sum of its proper divisors (189319543480320).

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

70947143377920 is a wasteful number, since it uses less digits than its factorization.

70947143377920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16555458 (or 16555434 counting only the distinct ones).

The product of its (nonzero) digits is 56010528, while the sum is 63.

The spelling of 70947143377920 in words is "seventy trillion, nine hundred forty-seven billion, one hundred forty-three million, three hundred seventy-seven thousand, nine hundred twenty".