3557742 has 16 divisors (see below), whose sum is σ = 7150080. Its totient is φ = 1180152.

The previous prime is 3557737. The next prime is 3557761. The reversal of 3557742 is 2477553.

3557742 is nontrivially palindromic in base 9.

It is an Ulam number.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (446880).

Almost surely, 2^3557742 is an apocalyptic number.

3557742 is an abundant number, since it is smaller than the sum of its proper divisors (3592338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3557742 is a wasteful number, since it uses less digits than its factorization.

3557742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887.

The product of its digits is 29400, while the sum is 33.

The square root of 3557742 is about 1886.1977626962. The cubic root of 3557742 is about 152.6598449393.

The spelling of 3557742 in words is "three million, five hundred fifty-seven thousand, seven hundred forty-two".