3457742 has 4 divisors (see below), whose sum is σ = 5186616. Its totient is φ = 1728870.

The previous prime is 3457723. The next prime is 3457763. The reversal of 3457742 is 2477543.

3457742 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 is a d-powerful number, because it can be written as 3¹² + 4² + 5⁵ + 7⁴ + 7⁷ + 4³ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3457699 and 3457708.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 864434 + ... + 864437.

It is an arithmetic number, because the mean of its divisors is an integer number (1296654).

Almost surely, 2^3457742 is an apocalyptic number.

3457742 is a deficient number, since it is larger than the sum of its proper divisors (1728874).

3457742 is a wasteful number, since it uses less digits than its factorization.

3457742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728873.

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

The square root of 3457742 is about 1859.5004705565. The cubic root of 3457742 is about 151.2159242954.

The spelling of 3457742 in words is "three million, four hundred fifty-seven thousand, seven hundred forty-two".