70934656 has 64 divisors (see below), whose sum is σ = 155594880. Its totient is φ = 32007168.

The previous prime is 70934651. The next prime is 70934681. The reversal of 70934656 is 65643907.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (70934651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77755 + ... + 78661.

It is an arithmetic number, because the mean of its divisors is an integer number (2431170).

Almost surely, 2^70934656 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 70934656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77797440).

70934656 is an abundant number, since it is smaller than the sum of its proper divisors (84660224).

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

70934656 is a wasteful number, since it uses less digits than its factorization.

70934656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 70934656 is about 8422.2714275901. The cubic root of 70934656 is about 413.9547042169.

The spelling of 70934656 in words is "seventy million, nine hundred thirty-four thousand, six hundred fifty-six".