547642 has 4 divisors (see below), whose sum is σ = 821466. Its totient is φ = 273820.

The previous prime is 547639. The next prime is 547643. The reversal of 547642 is 246745.

547642 is nontrivially palindromic in base 9.

547642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 546121 + 1521 = 739^2 + 39^2 .

It is a d-powerful number, because it can be written as 5⁵ + 4 + 6⁷ + 7⁴ + 4⁹ + 2⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 547642.

It is not an unprimeable number, because it can be changed into a prime (547643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136909 + ... + 136912.

2⁵⁴⁷⁶⁴² is an apocalyptic number.

547642 is a deficient number, since it is larger than the sum of its proper divisors (273824).

547642 is a wasteful number, since it uses less digits than its factorization.

547642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273823.

The product of its digits is 6720, while the sum is 28.

The square root of 547642 is about 740.0283778343. The cubic root of 547642 is about 81.8148708724.

The spelling of 547642 in words is "five hundred forty-seven thousand, six hundred forty-two".