1536742 has 4 divisors (see below), whose sum is σ = 2305116. Its totient is φ = 768370.

The previous prime is 1536737. The next prime is 1536781. The reversal of 1536742 is 2476351.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1536742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384184 + ... + 384187.

It is an arithmetic number, because the mean of its divisors is an integer number (576279).

2^1536742 is an apocalyptic number.

1536742 is a deficient number, since it is larger than the sum of its proper divisors (768374).

1536742 is an equidigital number, since it uses as much as digits as its factorization.

1536742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768373.

The product of its digits is 5040, while the sum is 28.

The square root of 1536742 is about 1239.6539839810. The cubic root of 1536742 is about 115.3985416126.

It can be divided in two parts, 1536 and 742, that added together give a triangular number (2278 = T₆₇).

The spelling of 1536742 in words is "one million, five hundred thirty-six thousand, seven hundred forty-two".