1872724 has 12 divisors (see below), whose sum is σ = 3745504. Its totient is φ = 802584.

The previous prime is 1872721. The next prime is 1872727. The reversal of 1872724 is 4272781.

It is an interprime number because it is at equal distance from previous prime (1872721) and next prime (1872727).

1872724 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33414 + ... + 33469.

2^1872724 is an apocalyptic number.

1872724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1872724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1872724 is a wasteful number, since it uses less digits than its factorization.

1872724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66894 (or 66892 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1872724 is about 1368.4750637114. The cubic root of 1872724 is about 123.2606893041.

The spelling of 1872724 in words is "one million, eight hundred seventy-two thousand, seven hundred twenty-four".