56673706 has 4 divisors (see below), whose sum is σ = 85010562. Its totient is φ = 28336852.

The previous prime is 56673671. The next prime is 56673707. The reversal of 56673706 is 60737665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60737665 = 5 ⋅12147533.

It can be written as a sum of positive squares in only one way, i.e., 54243225 + 2430481 = 7365^2 + 1559^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56673707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14168425 + ... + 14168428.

Almost surely, 2^56673706 is an apocalyptic number.

56673706 is a deficient number, since it is larger than the sum of its proper divisors (28336856).

56673706 is a wasteful number, since it uses less digits than its factorization.

56673706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28336855.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 56673706 is about 7528.1940729500. The cubic root of 56673706 is about 384.1143548669.

The spelling of 56673706 in words is "fifty-six million, six hundred seventy-three thousand, seven hundred six".