3721552 has 10 divisors (see below), whose sum is σ = 7210538. Its totient is φ = 1860768.

The previous prime is 3721537. The next prime is 3721559. The reversal of 3721552 is 2551273.

3721552 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in only one way, i.e., 3594816 + 126736 = 1896^2 + 356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116283 + ... + 116314.

Almost surely, 2^3721552 is an apocalyptic number.

It is an amenable number.

3721552 is a deficient number, since it is larger than the sum of its proper divisors (3488986).

3721552 is a wasteful number, since it uses less digits than its factorization.

3721552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232605 (or 232599 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 3721552 is about 1929.1324475007. The cubic root of 3721552 is about 154.9677629801.

The spelling of 3721552 in words is "three million, seven hundred twenty-one thousand, five hundred fifty-two".