70939142064 has 320 divisors, whose sum is σ = 245984256000. Its totient is φ = 19121184000.

The previous prime is 70939142047. The next prime is 70939142081. The reversal of 70939142064 is 46024193907.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70939142047) and next prime (70939142081).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14418997 + ... + 14423915.

It is an arithmetic number, because the mean of its divisors is an integer number (768700800).

Almost surely, 2^70939142064 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 70939142064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122992128000).

70939142064 is an abundant number, since it is smaller than the sum of its proper divisors (175045113936).

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

70939142064 is a wasteful number, since it uses less digits than its factorization.

70939142064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213 (or 5201 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 70939142064 in words is "seventy billion, nine hundred thirty-nine million, one hundred forty-two thousand, sixty-four".