70734316512 has 96 divisors (see below), whose sum is σ = 190296890784. Its totient is φ = 22992076800.

The previous prime is 70734316439. The next prime is 70734316519. The reversal of 70734316512 is 21561343707.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×70734316512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70734316519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14548962 + ... + 14553822.

It is an arithmetic number, because the mean of its divisors is an integer number (1982259279).

Almost surely, 2^70734316512 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 70734316512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95148445392).

70734316512 is an abundant number, since it is smaller than the sum of its proper divisors (119562574272).

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

70734316512 is a wasteful number, since it uses less digits than its factorization.

70734316512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612 (or 8604 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 70734316512 in words is "seventy billion, seven hundred thirty-four million, three hundred sixteen thousand, five hundred twelve".