70546656 has 48 divisors (see below), whose sum is σ = 186051600. Its totient is φ = 23405568.

The previous prime is 70546631. The next prime is 70546661. The reversal of 70546656 is 65664507.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20380 + ... + 23588.

It is an arithmetic number, because the mean of its divisors is an integer number (3876075).

Almost surely, 2^70546656 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 70546656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93025800).

70546656 is an abundant number, since it is smaller than the sum of its proper divisors (115504944).

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

70546656 is a wasteful number, since it uses less digits than its factorization.

70546656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 70546656 is about 8399.2056767292. The cubic root of 70546656 is about 413.1985709359.

The spelling of 70546656 in words is "seventy million, five hundred forty-six thousand, six hundred fifty-six".