1428585742 has 4 divisors (see below), whose sum is σ = 2142878616. Its totient is φ = 714292870.

The previous prime is 1428585709. The next prime is 1428585749. The reversal of 1428585742 is 2475858241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2475858241 = 59 ⋅41963699.

It is a junction number, because it is equal to n+sod(n) for n = 1428585692 and 1428585701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428585749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357146434 + ... + 357146437.

It is an arithmetic number, because the mean of its divisors is an integer number (535719654).

Almost surely, 2^1428585742 is an apocalyptic number.

1428585742 is a deficient number, since it is larger than the sum of its proper divisors (714292874).

1428585742 is an equidigital number, since it uses as much as digits as its factorization.

1428585742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714292873.

The product of its digits is 716800, while the sum is 46.

The square root of 1428585742 is about 37796.6366493105. The cubic root of 1428585742 is about 1126.2516418737.

The spelling of 1428585742 in words is "one billion, four hundred twenty-eight million, five hundred eighty-five thousand, seven hundred forty-two".