3721974 has 8 divisors (see below), whose sum is σ = 7443960. Its totient is φ = 1240656.

The previous prime is 3721973. The next prime is 3721981. The reversal of 3721974 is 4791273.

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

3721974 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721973) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 310159 + ... + 310170.

It is an arithmetic number, because the mean of its divisors is an integer number (930495).

Almost surely, 2^3721974 is an apocalyptic number.

3721974 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.

3721974 is a wasteful number, since it uses less digits than its factorization.

3721974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620334.

The product of its digits is 10584, while the sum is 33.

The square root of 3721974 is about 1929.2418199904. The cubic root of 3721974 is about 154.9736202071.

It can be divided in two parts, 372 and 1974, that added together give a triangular number (2346 = T₆₈).

The spelling of 3721974 in words is "three million, seven hundred twenty-one thousand, nine hundred seventy-four".