3721575 has 48 divisors (see below), whose sum is σ = 7249536. Its totient is φ = 1660800.

The previous prime is 3721559. The next prime is 3721583. The reversal of 3721575 is 5751273.

It is not a de Polignac number, because 3721575 - 2⁴ = 3721559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10552 + ... + 10898.

It is an arithmetic number, because the mean of its divisors is an integer number (151032).

Almost surely, 2^3721575 is an apocalyptic number.

3721575 is a deficient number, since it is larger than the sum of its proper divisors (3527961).

3721575 is a wasteful number, since it uses less digits than its factorization.

3721575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 379 counting only the distinct ones).

The product of its digits is 7350, while the sum is 30.

The square root of 3721575 is about 1929.1384087203. The cubic root of 3721575 is about 154.9680822243.

It can be divided in two parts, 37 and 21575, that added together give a palindrome (21612).

The spelling of 3721575 in words is "three million, seven hundred twenty-one thousand, five hundred seventy-five".