70715712 has 84 divisors (see below), whose sum is σ = 194925696. Its totient is φ = 22602240.

The previous prime is 70715677. The next prime is 70715713. The reversal of 70715712 is 21751707.

It is a self number, because there is not a number n which added to its sum of digits gives 70715712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70715713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648714 + ... + 648822.

It is an arithmetic number, because the mean of its divisors is an integer number (2320544).

Almost surely, 2^70715712 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 70715712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97462848).

70715712 is an abundant number, since it is smaller than the sum of its proper divisors (124209984).

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

70715712 is a wasteful number, since it uses less digits than its factorization.

70715712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 70715712 is about 8409.2634635859. The cubic root of 70715712 is about 413.5283667394.

The spelling of 70715712 in words is "seventy million, seven hundred fifteen thousand, seven hundred twelve".