556632073 has 4 divisors (see below), whose sum is σ = 556793860. Its totient is φ = 556470288.

The previous prime is 556632067. The next prime is 556632101. The reversal of 556632073 is 370236655.

It is a happy number.

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 414855424 + 141776649 = 20368^2 + 11907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556632073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556632053) 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, 75618 + ... + 82651.

It is an arithmetic number, because the mean of its divisors is an integer number (139198465).

Almost surely, 2^556632073 is an apocalyptic number.

It is an amenable number.

556632073 is a deficient number, since it is larger than the sum of its proper divisors (161787).

556632073 is a wasteful number, since it uses less digits than its factorization.

556632073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161786.

The product of its (nonzero) digits is 113400, while the sum is 37.

The square root of 556632073 is about 23593.0513711135. The cubic root of 556632073 is about 822.6013329080.

The spelling of 556632073 in words is "five hundred fifty-six million, six hundred thirty-two thousand, seventy-three".