4721427 has 12 divisors (see below), whose sum is σ = 7221240. Its totient is φ = 2962368.

The previous prime is 4721419. The next prime is 4721441. The reversal of 4721427 is 7241274.

It is a happy number.

It is not a de Polignac number, because 4721427 - 2³ = 4721419 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 7² + 2⁷ + 1 + 4¹¹ + 2¹⁹ + 7⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 4721427.

It is not an unprimeable number, because it can be changed into a prime (4721407) 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, 15277 + ... + 15582.

It is an arithmetic number, because the mean of its divisors is an integer number (601770).

Almost surely, 2^4721427 is an apocalyptic number.

4721427 is a deficient number, since it is larger than the sum of its proper divisors (2499813).

4721427 is a wasteful number, since it uses less digits than its factorization.

4721427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30882 (or 30879 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 4721427 is about 2172.8844884163. The cubic root of 4721427 is about 167.7610335500.

The spelling of 4721427 in words is "four million, seven hundred twenty-one thousand, four hundred twenty-seven".