1528742 has 8 divisors (see below), whose sum is σ = 2428056. Its totient is φ = 719392.

The previous prime is 1528733. The next prime is 1528771. The reversal of 1528742 is 2478251.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22448 + ... + 22515.

It is an arithmetic number, because the mean of its divisors is an integer number (303507).

2^1528742 is an apocalyptic number.

1528742 is a deficient number, since it is larger than the sum of its proper divisors (899314).

1528742 is a wasteful number, since it uses less digits than its factorization.

1528742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44982.

The product of its digits is 4480, while the sum is 29.

The square root of 1528742 is about 1236.4230667534. The cubic root of 1528742 is about 115.1979451633.

The spelling of 1528742 in words is "one million, five hundred twenty-eight thousand, seven hundred forty-two".