56673447 has 8 divisors (see below), whose sum is σ = 79541760. Its totient is φ = 35793720.

The previous prime is 56673437. The next prime is 56673451. The reversal of 56673447 is 74437665.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56673447 - 2⁴ = 56673431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56673399 and 56673408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56673437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497079 + ... + 497192.

It is an arithmetic number, because the mean of its divisors is an integer number (9942720).

Almost surely, 2^56673447 is an apocalyptic number.

56673447 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56673447 is a deficient number, since it is larger than the sum of its proper divisors (22868313).

56673447 is a wasteful number, since it uses less digits than its factorization.

56673447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994293.

The product of its digits is 423360, while the sum is 42.

The square root of 56673447 is about 7528.1768709296. The cubic root of 56673447 is about 384.1137697292.

The spelling of 56673447 in words is "fifty-six million, six hundred seventy-three thousand, four hundred forty-seven".