70545656 has 8 divisors (see below), whose sum is σ = 132273120. Its totient is φ = 35272824.

The previous prime is 70545653. The next prime is 70545691. The reversal of 70545656 is 65654507.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70545653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4409096 + ... + 4409111.

It is an arithmetic number, because the mean of its divisors is an integer number (16534140).

Almost surely, 2^70545656 is an apocalyptic number.

It is an amenable number.

70545656 is a deficient number, since it is larger than the sum of its proper divisors (61727464).

70545656 is a wasteful number, since it uses less digits than its factorization.

70545656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818213 (or 8818209 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 70545656 is about 8399.1461470795. The cubic root of 70545656 is about 413.1966185612.

The spelling of 70545656 in words is "seventy million, five hundred forty-five thousand, six hundred fifty-six".