1542772 has 24 divisors (see below), whose sum is σ = 3366720. Its totient is φ = 600960.

The previous prime is 1542727. The next prime is 1542811. The reversal of 1542772 is 2772451.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1542772.

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 in 7 ways as a sum of consecutive naturals, for example, 2197 + ... + 2812.

It is an arithmetic number, because the mean of its divisors is an integer number (140280).

2^1542772 is an apocalyptic number.

It is an amenable number.

1542772 is an abundant number, since it is smaller than the sum of its proper divisors (1823948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542772 is a wasteful number, since it uses less digits than its factorization.

1542772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031 (or 5029 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 1542772 is about 1242.0837330873. The cubic root of 1542772 is about 115.5492815189.

It can be divided in two parts, 154 and 2772, that added together give a triangular number (2926 = T₇₆).

The spelling of 1542772 in words is "one million, five hundred forty-two thousand, seven hundred seventy-two".