70556653 has 4 divisors (see below), whose sum is σ = 70724668. Its totient is φ = 70388640.

The previous prime is 70556641. The next prime is 70556657. The reversal of 70556653 is 35665507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25371369 + 45185284 = 5037^2 + 6722^2 .

It is a cyclic number.

It is not a de Polignac number, because 70556653 - 2²⁵ = 37002221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70556657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83376 + ... + 84217.

It is an arithmetic number, because the mean of its divisors is an integer number (17681167).

Almost surely, 2^70556653 is an apocalyptic number.

It is an amenable number.

70556653 is a deficient number, since it is larger than the sum of its proper divisors (168015).

70556653 is a wasteful number, since it uses less digits than its factorization.

70556653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168014.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 70556653 is about 8399.8007714469. The cubic root of 70556653 is about 413.2180878119.

The spelling of 70556653 in words is "seventy million, five hundred fifty-six thousand, six hundred fifty-three".