4542660 has 36 divisors (see below), whose sum is σ = 13779948. Its totient is φ = 1211328.

The previous prime is 4542631. The next prime is 4542697. The reversal of 4542660 is 662454.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2604996 + 1937664 = 1614^2 + 1392^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12439 + ... + 12798.

Almost surely, 2^4542660 is an apocalyptic number.

It is an amenable number.

4542660 is an abundant number, since it is smaller than the sum of its proper divisors (9237288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4542660 is a wasteful number, since it uses less digits than its factorization.

4542660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25252 (or 25247 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4542660 is about 2131.3516837913. The cubic root of 4542660 is about 165.6164269919.

Subtracting from 4542660 its product of nonzero digits (5760), we obtain a square (4536900 = 2130²).

The spelling of 4542660 in words is "four million, five hundred forty-two thousand, six hundred sixty".