4672521 has 12 divisors (see below), whose sum is σ = 7713472. Its totient is φ = 2669976.

The previous prime is 4672489. The next prime is 4672523. The reversal of 4672521 is 1252764.

It is not a de Polignac number, because 4672521 - 2⁵ = 4672489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4672523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37021 + ... + 37146.

Almost surely, 2^4672521 is an apocalyptic number.

It is an amenable number.

4672521 is a deficient number, since it is larger than the sum of its proper divisors (3040951).

4672521 is a wasteful number, since it uses less digits than its factorization.

4672521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74180 (or 74177 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 4672521 is about 2161.6014896368. The cubic root of 4672521 is about 167.1797817673.

The spelling of 4672521 in words is "four million, six hundred seventy-two thousand, five hundred twenty-one".