3547742 has 16 divisors (see below), whose sum is σ = 5854464. Its totient is φ = 1599000.

The previous prime is 3547741. The next prime is 3547751. The reversal of 3547742 is 2477453.

3547742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3¹³ + 5⁹ + 4² + 7 + 7 + 4⁴ + 2³ .

It is a junction number, because it is equal to n+sod(n) for n = 3547699 and 3547708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 3497.

It is an arithmetic number, because the mean of its divisors is an integer number (365904).

Almost surely, 2^3547742 is an apocalyptic number.

3547742 is a deficient number, since it is larger than the sum of its proper divisors (2306722).

3547742 is a wasteful number, since it uses less digits than its factorization.

3547742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its digits is 23520, while the sum is 32.

The square root of 3547742 is about 1883.5450618448. The cubic root of 3547742 is about 152.5166800711.

It can be divided in two parts, 3 and 547742, that added together give a palindrome (547745).

The spelling of 3547742 in words is "three million, five hundred forty-seven thousand, seven hundred forty-two".