3735021 has 8 divisors (see below), whose sum is σ = 4992640. Its totient is φ = 2483712.

The previous prime is 3735013. The next prime is 3735047. The reversal of 3735021 is 1205373.

It is a happy number.

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

It is not a de Polignac number, because 3735021 - 2³ = 3735013 is a prime.

It is a Duffinian number.

3735021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3733021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (624080).

Almost surely, 2^3735021 is an apocalyptic number.

It is an amenable number.

3735021 is a deficient number, since it is larger than the sum of its proper divisors (1257619).

3735021 is a wasteful number, since it uses less digits than its factorization.

3735021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 3735021 is about 1932.6202420548. The cubic root of 3735021 is about 155.1544904339.

The spelling of 3735021 in words is "three million, seven hundred thirty-five thousand, twenty-one".