1974727 has 12 divisors (see below), whose sum is σ = 2175880. Its totient is φ = 1785888.

The previous prime is 1974719. The next prime is 1974743. The reversal of 1974727 is 7274791.

It is not a de Polignac number, because 1974727 - 2³ = 1974719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974767) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 37233 + ... + 37285.

2^1974727 is an apocalyptic number.

1974727 is the 703-rd decagonal number.

1974727 is a deficient number, since it is larger than the sum of its proper divisors (201153).

1974727 is an equidigital number, since it uses as much as digits as its factorization.

1974727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 109 counting only the distinct ones).

The product of its digits is 24696, while the sum is 37.

The square root of 1974727 is about 1405.2497998577. The cubic root of 1974727 is about 125.4591540223.

It can be divided in two parts, 1974 and 727, that added together give a triangular number (2701 = T₇₃).

The spelling of 1974727 in words is "one million, nine hundred seventy-four thousand, seven hundred twenty-seven".