1428572743 has 8 divisors (see below), whose sum is σ = 1538955936. Its totient is φ = 1318260000.

The previous prime is 1428572699. The next prime is 1428572749. The reversal of 1428572743 is 3472758241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428572743 - 2⁹ = 1428572231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428572743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428572749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29118 + ... + 60868.

It is an arithmetic number, because the mean of its divisors is an integer number (192369492).

Almost surely, 2^1428572743 is an apocalyptic number.

1428572743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1428572743 is a deficient number, since it is larger than the sum of its proper divisors (110383193).

1428572743 is a wasteful number, since it uses less digits than its factorization.

1428572743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35225.

The product of its digits is 376320, while the sum is 43.

The square root of 1428572743 is about 37796.4646891743. The cubic root of 1428572743 is about 1126.2482258637.

The spelling of 1428572743 in words is "one billion, four hundred twenty-eight million, five hundred seventy-two thousand, seven hundred forty-three".